Q: What is the solution?
Solve -49*o - 22*o = 497 for o.

A: -7

Q: What is the solution?
Solve 1535*w + 1089 + 115 = 1578*w for w.

A: 28

Q: What is the solution?
Solve 0 = -11537*i + 751271 - 143666 + 223059 for i.

A:
72