Q: Solve:
Solve 0 = -9*x - 15 - 30 for x.

A: -5

Q: Solve:
Solve 0 = 24*o - 7*o + 17*o + 68 for o.

A: -2

Q: Solve:
Solve -4*y - 164 + 152 = 0 for y.

A:
-3