Question

D. Solve the equation 4(x + 2) = 3x + 4 algebraically. Show your work. In the Gizmo, select theSOLUTION tab to check your answer.

Answer 1

4(x + 2) = 3x + 4

Expand

4x + 8 = 3x + 4

Simplify

4x - 3x = 4 - 8

x = -4

Evaluate the answer

4(-4 + 2) = 3(-4) + 4

4(-2) = -12 + 4

-8 = -8 The answer is correct

The answer x = -4