Q: Solve 29*h + 31*h - 495 = -75 for h.

A: 7

Q: Solve 18*r + 10*r - 118 - 22 = 0 for r.

A: 5

Q: Solve 4517*v - 4494*v = 391 for v.

A: 17

Q: Solve -43*u = -3*u + 360 for u.

A:
-9