Question

PLEASE HURRY I NEED TO FINISH MY TEST!!

Determine which integer in the solution set will make the equation true.

8x − 4 = 2(2x + 4)

S: {−4, 0, 3, 12}

A.−4
B.12
C.0
D.3

Answer 1

Answer: x=3

Explanation:

When you plug in each number only 3 is the right answer.

A. 8(-4)-4=2(2(-4)+4)

-36=8 False

B. 8(12)-4=2(2(12)+4)

92=56 False

C. 8(0)-4=2(2(0)+4)

-4=8 False

D. 8(3)-4=2(2(3)+4)

20=20 True