Question 587132
THERE IS 2 SOLUTION !!
3x-6=18 and 3x-6=-18

3x-6=18
  +6 +6
3x=24
24/3=8
x=8

ok here 2nd solution
3x-6=-18
   +6 +6
3x=-12
x=-4
so u will put ur answer as -4 and 8