Q: What is the solution?
Solve 0 = a + 161 - 164 for a.

A: 3

Q: What is the solution?
Solve -6*o = 7 - 31 for o.

A: 4

Q: What is the solution?
Solve 119*m + 348*m = -139*m + 23365 + 17237 for m.

A:
67