Question:
Solve -15*h - h = -9*h for h..

Answer:
0

Question:
Solve -15*w + 215 = 65 for w..

Answer:
10

Question:
Solve -200*h = -25*h - 26*h + 2384 for h..

Answer:
-16

Question:
Solve -192*t = -386*t + 198*t for t..

Answer:
0