Respuesta :

SuperLegend
4 = (-8) + 3x
Add 8 to both sides
12= 3x
Divide 3 on both sides
Final Answer: 4=x
Lophile
You want to isolate x by itself
4 = -8 + 3x      add 8 to both sides
12 = 3x            divide by 3
4 = x                answer