Q: What is the solution?
Solve -9*t + 525 = 543 for t.

A: -2

Q: What is the solution?
Solve 146*m = 182*m - 648 for m.

A: 18

Q: What is the solution?
Solve 0 = -102*r - 144*r - 2460 for r.

A:
-10