Answer:
1. x=-1
2. No Solution
Step-by-step explanation:
1. 7x - 3x + 7 = 3(x-4)+20
combine like terms and simplify:
2x+7=3x-12+20
2x+7=3x+8 Isolate variable:
-2x -2x
7=x+8
-8 -8
-1 = x
2. -2(x-2)-4x = 3(x+1)-9x
-2x+4-4x = 3x + 3-9x
-6x+4 = -6x+3
+6x +6x
4= 3
No Solution
Hope this helps :)
