Question:
Solve -109*b - 50 = -114*b for b..

Answer:
10

Question:
Solve 0 = -34*w + 38*w for w..

Answer:
0

Question:
Solve 42*j - 21 = 49*j for j..

Answer:
-3

Question:
Solve -217*h + 863*h = 200*h + 296*h - 6000 for h..

Answer:
-40