Question:
Solve 98*h + 136 + 131 = -125 for h..

Answer:
-4

Question:
Solve 152*w - 149*w = -9 for w..

Answer:
-3

Question:
Solve 11*u - 151 + 261 = 0 for u..

Answer:
-10

Question:
Solve -10*f + 42 - 2 = 0 for f..

Answer:
4