Answer:
x = 10
Step-by-step explanation:
2) -3x + 17 = -x - 3
4) 20 = 2x
1) -3x + 12 + 5 = -x -3
5) 10 = x
3) 17 = 2x - 3
-3(x - 4) + 5 = -x - 3
-3x + 12 + 5 = -x - 3
-3x + 17 = -x -3
+3x +3x
17 = 2x - 3
+3 + 3
20 = 2x
10 = x
I hope that this helps! :)