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

-3|2x+6|=-12
3|2x+6|=12
|2x+6| = 4
so now we have two equations
2x+6 = 4 and 2x+6 = -4
so
x = -1 and -5

Answer 2

so what you want to do, is simplify until you get to |stuff| = something
then
stuff = something and stuff = -something

Answer 3

@acama you understand?

Answer 4

@acama zzr0ck3r is simply explaining this rule of absolute values.