Q: Solve -21*g + 34 = -50 for g.

A: 4

Q: Solve 177*s - 224*s + 329 = 0 for s.

A: 7

Q: Solve 1436 - 19688 - 7849 = 1785*h + 9599 for h.

A: -20

Q: Solve 0 = -4*w + 7*w - 12 for w.

A:
4