Q: Solve:
Solve 2*h + 0 = 10 for h.

A: 5

Q: Solve:
Solve 93*x + 1154 = -101*x + 378 for x.

A: -4

Q: Solve:
Solve 38*r + 78487 + 18686 = -1921*r - 53670 for r.

A:
-77