Q: Solve -159*m + 516*m - 714 = 0 for m.

A: 2

Q: Solve -715*c = -1686*c - 1074*c - 34765 for c.

A: -17

Q: Solve -2*h = -6*h - 16 for h.

A: -4

Q: Solve 0 = c - 0 - 1 for c.

A:
1