Question

Solve the equation. You may find using algebra tiles helpful in solving this problem.

x + 4 = −x − 4

x = ?

Answer 1

x = -4

Explanation:

x + 4 = -x - 4

adding both side with x

x + x + 4 = x - x - 4

2x + 4 = -4

give both side (-4)

2x + 4 - 4 = -4 - 4

2x = -8

x = -8/2 = -4