What value of x makes this equation true? 12 x minus 15 = 6 minus 3 x

Answers

Answer 1

Answer:

Exact Form - 7/5

Decimal form - 1.4

Mixed Form 1 2/5

Step-by-step explanation:

Isolate the variable by dividing each side by factors that don't contain the variable.

Answer 2

Step-by-step explanation:

[tex]12x - 15 = 6 - 3x[/tex]

Move all x values to one side of the equation, and all constant values to the other side of the equation, and don't forget to flip the signs when going from left to right or vice versa.

[tex]12 x + 3x = 6 + 15[/tex]

[tex]15x = 21[/tex]

[tex]x = \frac{21}{15} = \frac{7}{5} [/tex]


Related Questions

If 2x = 14, find the value of 6 - 7x

Answers

Answer:

-43

Step-by-step explanation:

x=7

Answer:

The Answer Is 49.

Step-by-step explanation:

2x = 14. 2x  means 2 x ??? = 14. but you can find what "X" is you can find it out by divideing, 2 divided by 14 is 7 so X = 7. To find 6 - 7x you know that is means 6 - (7 x 7). 7 x 7 is 49, 6 - 49 is -42. You answer is -43 and X means 7.

432 oranges are to be divided equally among a number of people. If there had been four people less, the share of each would have been 9 oranges more. Find the number of people.​

Answers

Answer:

the number of people would have been 48

I need help please ASAP !!

Answers

Step-by-step explanation:

5 An exterior angle of a triangle is equal to the sum of its two opposite non-adjacent interior angles. The sum of the exterior angle and the adjacent interior angle that is not opposite is equal to 180º.

Help!!!!!!!!!!!!!!!!

Answers

Answer:

13.8

Step-by-step explanation:

We know that 1 inch is 9.2 miles. The houses are 1.5 inches away. We need to divide 9.2 by 2. We get 4.6. 9.2+4.6=13.8!

13.8

Milo has 15 Dimes, 20 Nickels, 19 Pennies, 8 Quarters, and 1 Half Dollar. Which expression shows one way Milo can use some or all of these coins to get $5.00? A) 2(0.50) + 20(0.50) + 15(0.10) + 6(0.25) B) 3(0.50) + 20(0.05) + 15(0.10) + 6(0.25) C) 3(0.25) + 20(0.10) + 15(0.50) + 6(0.05) D) 6(0.25) + 20(0.05) + 15(0.01) + 1(0.50) E) 8(0.25) + 15(0.10) + 20(0.05)+ 1(0.50)

Answers

Answer:

E)

Step-by-step explanation:

in total milo has $5.19

A does not work because he does not have 22 half dollars, b does not work because he does not have 3 half dollars, c does not work because he does not have 20 dimes, D  does not work work because it only adds up to $3.15.

E works

2.) Simplify:
10x + 6y +4x =
x(14) + 6y = 14x +6y


Answers

Answer:

{x,y} = {1,1}

Step-by-step explanation:

[2]    6y = -14x + 20

 [2]    y = -7x/3 + 10/3

// Plug this in for variable  y  in equation [1]

  [1]    -10x - 6•(-7x/3+10/3) = -16

  [1]    4x = 4

// Solve equation [1] for the variable  x

  [1]    4x = 4

  [1]    x = 1

// By now we know this much :

   x = 1

   y = -7x/3+10/3

// Use the  x  value to solve for  y

   y = -(7/3)(1)+10/3 = 1

Solution :

{x,y} = {1,1}

what is the slope of the line that contains the points (13,-2) and (3,-2)? Be sure to simply result

Answers

Answer:

0

Step-by-step explanation:

m=(y2-y1)/(x2-x1)

m=(-2-(-2))/(3-13)

m=(-2+2)/-10

m=0/-10

m=0

What is the net decimal equivalent if 40%, 30% and 15% discounts were applied

Answers

Answer:

Well you can’t really stack these percentages discounts.

Assuming it’s in the same order as the problem then

We can find the decimal equivalent by just dividing.

So think of it like this way.

Your getting 40 percent off, the original price.
The original price of course is a 100 percent since its the one and only price.

When your taking 0.4 percent off then its taking off 0.4 from the 1.00

So you have 0.6.

Your now paying 60 percent of the price.

Now the 30 percent.
Same thing except this times its 0.6.

Now 30 percent of 60 is 18 percent and then subtract that by 0.6 which is 0.42

Now for the final 15 percent
Same thing except this time its 0.15

15 percent of 0.42 is 6.3 percent, subtract that by 0.42 is 0.357

After the discounts were applied you’d only have to pay 0.357 or 35.7%

In order to find the total amount of discounts just subtract the amount we have to pay by the original which was 100 %. 100 - 35.7 = 64.3

Final net percentage is equivalent 64.3%

Find the area of the figure. (Sides meet at right angles.)
2 ft
2 ft
5 ft
ft
8 ft
Bft
4 ft
8 ft

Answers

Answer:

44ft

Step-by-step explanation:

To find the answer, you need to first break down your shape. We can see that the 2 sides are identical so we can just multiply the area of on eof the sides by 2. The 2 sides equal 20 in all. Now lets look at the last section. To find an unknown side, we need to subract the 2 known sides. 8-5=3.   3x8=24

24+20=44

Hope this helps.

Answer:

44 ft²

Step-by-step explanation:

A1 = 2(5 x 2) = 20

A2 = 8 x 3 = 24

total = 20 + 24

      = 44 ft²

1. 5(n-2) +9 =

2. n + 8n² - 17 =

Answers

Answer:

1. n = 0.2

2. n ≈ 1.396577191 or n ≈ -1.521577191

Step-by-step explanation:

Q1:

[tex]5(n-2)+9 = 0[/tex]

[tex]5n-10 = -9[/tex]

[tex]5n = 1[/tex]

[tex]n = 0.2[/tex]

Q2:

Use the quadratic formula on your calculator.

I need help pls pls ​

Answers

Answer:

number one: 814 x 42=34,188 number two: 814 x 47=38,258

Step-by-step explanation:

well, both are correct giving the fact that in the bottom they want you to fill in the blank, both answers i have given start with 3 and end with 8, hope this helped!!

The number line shows that x + 7 = 34.
What is the solution to the equation shown on the number line?
X+7
26 27 28 29 30 31 32 33 34 35 36
O A. x= 33
B. X= 24
O C. x = 19
D.
X = 27

Answers

Answer:

D=27

Step-by-step explanation:

34-7 to isolate x by itself

Suppose you obtain a $1300 T note with a 9% annual rate paid monthly with Matt Trinity in six years how much interest will be paid to you each month

Answers

Answer:

2

Step-by-step explanation:

2

https://brainly.com/question/5720183

From: rejkjavik

Ambitious

4.2K answers

10.3M people helped

Answer: simple interest  = $9.75

Step-by-step explanation:

given data:

Principle = $1300

annual rate  = 9%  

time = 6 year =

we know that simple interest is given as

Simple interest  

FOR ABOVE QUESTION

Time is 1 month

simple interest  

simple interest  = $9.75

please help

solve the formula for r. suppose a merry-go-round is spinning once every 3 seconds. is the point on the outside edge has a speed of 12.56 ft per second, what is the radius of the merry-go-round? (use 3.14 for π)​

Answers

Answer:

  6 feet

Step-by-step explanation:

The circumference is given by ...

  C = 2πr

Since we travel that distance in 3 seconds, our speed is ...

  2πr/3 = 12.56 . . . . . . feet per second

  6.28/3r = 12.56 . . . . using 3.14 for π

  r = 12.56(3/6.28) = 6

The radius of the merry-go-round is 6 feet.

how much fabric will he need to create the tent

Answers

i need more information to answer
Since we don’t know how much fabric he has or how much he needs the answer is X

The Ride for Health Bicycle Club has chosen a 33-mile course for this Saturday's ride. If the riders plan on averaging 11 mph while they are riding, and they have a 1-hour lunch break planned, how long will it take them to complete the trip?

Answers

Answer:

4 hours

Step-by-step explanation:

33/11 = 3 hours

Plus 1-hour lunch break

Total is 4 hours

give the value for b in terms of a and c from the following question -2(8a+10b)=6c

Answers

Answer:

b = (-4/5)a - (3/10)c

--------------

-2(8a + 10b) = 6c

8a + 10b = -3c

10b = -8a - 3c

b = (-8/10)a - (3/10)c

b = (-4/5)a - (3/10)c

The answer above is correct my dude,

Convert ; (a) 125% to decimal (b) 0.75 to percentage​

Answers

Answer:

125/100=0.125

(b) 7/10+5/100=75/100=75%

Answer:

a. 1.25

b. 75%

Step-by-step explanation:

Percentage to Decimal = Divide by 100

Decimal to Percentage = Multiply by 100

can a negative number be a real number

Answers

The real numbers include the positive and negative integers and fractions (or rational numbers) and also the irrational numbers.

Electric utility poles in the form of right cylinders are made out of wood that costs $11.07 per cubic foot. Calculate the cost of a utility pole with a diameter of 1.5 ft and a height of 40 ft. Round your answer to the nearest cent.

Answers

If the cylinders are made out of wood that costs $11.07 per cubic foot, the cost of the cylinder will be $782.10

How to calculate the volume of cylinder

The volume of a cylinder is expressed as:
V = πr²h

h is the height = 40ft

r is the radius  = 1.5/2 = 0.75ft

Substitute:

V = π(0.75)²(40)
V = 3.14 * (0.75)²(40)

V = 70.65 cubic foot

If the cylinders are made out of wood that costs $11.07 per cubic foot, the cost of the cylinder will be 11.07 * 70.65 = $782.10

Learn more on volume of cylinder here: https://brainly.com/question/9554871

This is the question I have on the picture that’s what it is

Answers

AB = 5 sqrt 2
BC = sqrt 65
AC = sqrt 145


Hope this helps.

select one card at random from the deck let A be the event that the randomly select a card is a club and let B be the event that the card is a five

Answers

Answer:

1 and 52 chance

Step-by-step explanation:

PLEASE HELP ME WITH THIS QUESTION
The graph below shows the distances, in miles, that a dragonfly can travel in a certain number of hours:

A graph titled Motion of a Dragonfly shows Time in hours on the x axis and Distance in miles on the y axis. The scale on the x axis shows number from 0 to 10 at increments of 2, and on the y axis, the numbers are shown from 0 to 330 at increments of 66. A straight line joins the ordered pairs 0, 0 and 2, 66 and 4, 132 and 6, 198

Based on the graph, what is the dependent variable, what is the equation relating the two variables, and how far will the dragonfly travel in 24 hours if it continues to fly at the same speed?

The dependent variable is distance, the equation is y = 33x, and the dragonfly will travel 792 miles.
The dependent variable is distance, the equation is x = 33y, and the dragonfly will travel 1,056 miles.
The dependent variable is time, the equation is y = 33x, and the dragonfly will travel 792 miles.
The dependent variable is time, the equation is x = 33y, and the dragonfly will travel 1,056 miles.

Answers

Answer:

The dependent variable is distance, the equation is y = 33x, and the dragonfly will travel 792 miles

Step-by-step explanation:

ordered pairs:  (0, 0)  (2, 66)  (4, 132)  (6, 198)

slope of linear equation = change in y ÷ change in x

⇒ slope = (132 - 66) ÷ (4 - 2) = 33

Therefore, equation of the line: y = 33x

When x = 24, y = 33 × 24 = 792 miles

Distance is dependent on time, therefore distance is the dependent variable and time is the independent variable.

Refer to the figure. Find m SUV.
Help :(

Answers

The degrees of SUV is 122

Answer:122°

Since USM is 180° you take 180 and 58° and then subtract them and you get 122°.

Surya purchased 176 return gifts for his birthday party. He spent 52,624 for all the gifts. Find the cost of one gift.

Answers

Answer:

who the f who spend the much money anyways  divide 176  52,624 and u get 0.003344 or 299

Step-by-step explanation:

solve for x ( SHOW YOUR WORK )

Answers

Answer:

x+47+85+54=180°

x+186°=180

x=-6

Substitute the value of x in x+47

-6+47=41°

Your answer is 41°

pls Mark as brainliest

ANSWER CORRECTLY FOR 25 POINTS (Again smh)

Use this rule to fill in the table.
Rule: Divide the input by 4 to get the output.
Divide by 4
Input Output
12 |
16 |
20 |

Answers

Answer:

the answers are 3, 4, and 5

Solve 2/5=x/25 what is the c

Answers

Answer:

x=10

Step-by-step explanation:

By c, I am thinking x...

So, to solve this question, you do cross-multiplication

2/5=x/25

5*x=25*2

5x=50

x=10

Express the inequality b≥−8 using interval notation

Answers

Answer:

[-8, infinity)

Step-by-step explanation:

Interval notation uses (, [, ], ) where the parentheses are exclusive and the brackets are inclusive. That means, we have:

[-8, infinity)

The reason we don't use the square bracket for infinity is because you can never include infinity in your set

The polynomial equation x^(3)-x=0 has exactly one positive root and exactly one negative real root. Please select the best answer from the choices provided T F

Answers

Answer: T

Step-by-step explanation:

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