Question:
Solve 125 - 128 = -37*x + 308 + 318 for x..

Answer:
17

Question:
Solve -6*y - 27 + 9 = 0 for y..

Answer:
-3

Question:
Solve 37*u + 775*u - 325*u + 457*u - 36816 = 0 for u..

Answer:
39

Question:
Solve u + 14*u - 50 = 130 for u..

Answer:
12