Q: Solve 0 = -137085*r + 137083*r + 58 for r.

A: 29

Q: Solve 161*y + 1693 = -2010 for y.

A: -23

Q: Solve -50*o + 64 = -58*o for o.

A: -8

Q: Solve 122*i + 1128 = -458 for i.

A:
-13