Question:
Solve -2*q + 31 = 37 for q..

Answer:
-3

Question:
Solve 305*h = 108*h - 915 - 70 for h..

Answer:
-5

Question:
Solve 6028 = -975*w - 3722 for w..

Answer:
-10

Question:
Solve -1818 = 266*f - 341 + 119 for f..

Answer:
-6