Question

To Solve each equation tell what you will do first to both sides
2x + 7 = 13

Answer 1

X=3

The answer should have a positive sign.

Explanation:

First, you subtract by 7 both sides of equation.

2x+7-7=13-7

Simplify.

13-7=6

2x=6

Then, divide by 2 both sides of equation.

2x/2=6/2

Simplify, to find the answer.

6/2=3

X=3 is the correct answer.

Answer 2

First subtract 7 from each side of the equation

Explanation:

2x+7 = 13

First subtract 7 from each side of the equation

2x+7 -7 = 13-7

2x = 6

Next divide each side by 2

2x/2 = 6/2

x=3