Q: Solve 177963 + 635728 = 20519*h - 5656*h + 189445 for h.

A: 42

Q: Solve 15*a = -197822 + 198182 for a.

A: 24

Q: Solve 390 = 1178*r - 1208*r for r.

A: -13

Q: Solve 22 = 12*x - 14 for x.

A:
3