2-3x = -x - 8
Move -x to the other side
Sign changes from -x to +x
2-3x+x= -x+x-8
2-3x+x=-8
2-2x= -8
Move 2 to the other side
2-2-2x= -8-2
-2x= -10
Divide both sides by -2
-2x-2= -10/-2
Answer: x= 5