Q: Solve:
Solve -7*h + 20 = -2*h for h.

A: 4

Q: Solve:
Solve 13*g - 5 - 79 - 7 = 0 for g.

A: 7

Q: Solve:
Solve -118 = 86*i + 628 + 544 for i.

A:
-15