Question

Use the model to solve for x.

A) no solution
B) x = 1
C) x = -1
D) x = 10/4

Answer 1

x = -1

Explanation:

The equation is -2x + 3 = 2x +7

Group the terms together. Don't forget to change the sign

-2x -2x = 7-3

-4x = 4

Divide both sides by 4

-x = 1

Flip it over

x = -1