Question

Solve the equation for x:
[2x – 4] = 8

Answer 1

okay 2x-4=8
2x=12
x=6

Answer 2

x=6; x=-2

Explanation:

those lines are absolute values, so you need to seperate the equation

2x-4=8 -----> 2x=12 x=6

2x-4=-8 --------> 2x=-4 x=-2