Q: Solve:
Solve -7*f - 44*f + 1519 = 2590 for f.

A: -21

Q: Solve:
Solve 8*m + 45 - 53 = 0 for m.

A: 1

Q: Solve:
Solve 45*z = 27575 - 27665 for z.

A:
-2