Q: What is the solution?
Solve -2741 = -231*j + 5806 for j.

A: 37

Q: What is the solution?
Solve 0 = -15*c + 57*c - 294 for c.

A: 7

Q: What is the solution?
Solve 0 = 175*r - 188*r - 156 for r.

A:
-12