Question

whats the solution set for |2x-6|-7=7

Answer 1

To find the solution set, solve two equations:
2x-6-7=7
2x-13=7
2x=21
x=21/2

and

-(2x-6)-7=7
-2x+6-7=7
-2x-1=7
-2x=8
x=-4

So, the solution set is [-4, 21/2]