How do you solve | 4x - 6 | -7 = -12|4x6|7=12?

2 Answers
Apr 17, 2017

1/414

Explanation:

(4x-6)-7=-12(4x6)7=12
4x-6=-12+74x6=12+7
4x=-5+64x=5+6
4x=14x=1
x=1/4x=14

Apr 17, 2017

color(green)(x=1/4x=14 or color(green)(x=2 3/4x=234

Explanation:

|4x-6|-7=-12|4x6|7=12

:.|4x-6|=-12+7

:.|4x-6|=-5 or |4x-6|=5

:.4x=6-5 or 4x=5+6

:.4x=1 or 4x=11

:.x=1/4 or x=11/4

:.color(green)(x=1/4 or color(green)(x=2 3/4