Q: What is the solution?
Solve 65*a - 513 = -37*a - 455 - 1588 for a.

A: -15

Q: What is the solution?
Solve -1264*s + 130 = -1277*s for s.

A: -10

Q: What is the solution?
Solve 2 = -21*b + 2 for b.

A:
0