Question

Consider the equation below.

Answer 1

1. open parentheses ,so 
distribute -3 to 4x and -7
2. add to both sides of the equation 2x
3. subtract from both sides of the equation 21
4. divide both sides of the equation by -10

Answer 2

Answer:

Step 1: Multiply by -3 to 4x and -7

Step 2: Add 2x

Step 3: Subtract 21

Step 4: Divide by -10                  

Step-by-step explanation:

Given the equation

$-3(4x-7) = 15 -2x$

The solution is

Step 1: -12x + 21 = 15 - 2x

step 2: -10x + 21 = 15

step 3: -10x = -6

step 4: $x = \frac{-6}{-10}$

step 5: $x = \frac{3}{5}$

we have to complete the statements with the process used to achieve steps 1-4.

$-3(4x-7) = 15 -2x$

First opening the brackets by applying distributive property i.e by multiplying

Step 1: Multiply by -3 to 4x and -7

We get -12x + 21 = 15 - 2x

Step 2: Add 2x

⇒  -10x + 21 = 15

Step 3: Subtract 21

-10x = -6

Step 4: Divide by -10

$x = \frac{-6}{-10}$