Q: What is the solution?
Solve 1377*t = 1373*t - 20 for t.

A: -5

Q: What is the solution?
Solve -257*s + 2727 = -1678*s + 48927 + 47586 for s.

A: 66

Q: What is the solution?
Solve -14*b = -13*b + 7 for b.

A:
-7