Question:
Solve -569*f - 1352 = 107*f for f..

Answer:
-2

Question:
Solve 106*g - 3793886 = -3794628 for g..

Answer:
-7

Question:
Solve -207*u = -18515 + 20378 for u..

Answer:
-9

Question:
Solve -91*u = 74*u - 3630 for u..

Answer:
22