Q: What is the solution?
Solve -1659 + 1683 = -4*o for o.

A: -6

Q: What is the solution?
Solve 58*r - 2260 = -152*r - 14230 for r.

A: -57

Q: What is the solution?
Solve -75 + 47 = 7*g for g.

A:
-4