Question

Ali was asked to simplify the expression 3(x - 6) + (4x + 12) - 6x. His work is shown below.

Answer 1

x= -2

Explanation:

3(x-6) + (4x+12) -6x

3x -18 + -24x - 72

-3x. -3x

-18 = -27x -72

+72. +72

54=-27x

x= -2