What is the solution to this equation?

3x - 6 = 18

A. x = 72

B. x = 36

C. x = 4

D. x = 8

The answer is D. 8

Work: 3x-6=18 You have to get x alone on one side

+6=+6 You cancelled out the - 6 using + 6 (always use opposites and what u do to one side you always do to the other side of the = sign)

3x=24 You cancelled out the x3 using / 3

/3=/3

X=8 Your answer

D