Q: Solve:
Solve -91*o + 5 = -90*o for o.

A: 5

Q: Solve:
Solve 2629*i - 340*i + 41363 + 92556 = 19469 for i.

A: -50

Q: Solve:
Solve -256*r + 14904 = -12081 + 4227 + 998 for r.

A:
85