Q: What is the solution?
Solve 177 = 37*t + 60 - 549 for t.

A: 18

Q: What is the solution?
Solve 9*w - 41 = -5 for w.

A: 4

Q: What is the solution?
Solve -689*r + 173982 = -930*r - 1385*r for r.

A:
-107