Q: Solve:
Solve -16*o = 37*o + 60 - 7 for o.

A: -1

Q: Solve:
Solve 91*s = -57*s - 282*s - 3440 for s.

A: -8

Q: Solve:
Solve 197 - 30 + 163 = 22*a for a.

A:
15