Question

Solve for x: -3|2x + 6| = -12

x = 1 and x = 5
x = -1 and x = -5
x = -9 and x = 3
No solution

Answer 1

fist you have to divide -3 from both sides. then you get \[\left| 2x+6 \right|=4\]
2x+6=4
2x=-2
x=-1
2x+6=-4
2x=-10
x=-5
B would be the correct answer. -1,-5

Answer 2

thanks