Write down the solution for this math problem: Solve 44*f - 22 = -726 for f.
answer: -16

Write down the solution for this math problem: Solve 1081 = -138*u + 2737 for u.
answer: 12

Write down the solution for this math problem: Solve -9791 = 1158*s + 17 + 6404 for s.
answer: -14

Write down the solution for this math problem: Solve 13*w = -18 + 5 for w.
answer:
-1