Q: What is the solution?
Solve -2*z + 2 = 4 for z.

A: -1

Q: What is the solution?
Solve 8*o = 5*o + 4*o + 9 for o.

A: -9

Q: What is the solution?
Solve 0 = -37*g - 20*g - 46*g + 412 for g.

A:
4