Q: What is the solution?
Solve -69 = 2*g - 65 for g.

A: -2

Q: What is the solution?
Solve 0 = -15*i - 1039 + 1189 for i.

A: 10

Q: What is the solution?
Solve -569 = -6*x - 1370 + 639 for x.

A:
-27