Q: What is the solution?
Solve -1 = -12*f + 11*f for f.

A: 1

Q: What is the solution?
Solve -32*p - 760 = -280 for p.

A: -15

Q: What is the solution?
Solve 693 = -1847207*p + 1847174*p for p.

A:
-21