Q: Solve -77*s + 55*s = -74*s + 89 - 89 for s.

A: 0

Q: Solve 72*y = -293*y for y.

A: 0

Q: Solve -14*h = -11*h - 15 for h.

A: 5

Q: Solve -71*z = 62*z - 5909 - 4473 - 6509 for z.

A:
127