Q: What is the solution?
Solve 266*p = 1745 + 7565 for p.

A: 35

Q: What is the solution?
Solve -25*y = -131 + 105 - 249 for y.

A: 11

Q: What is the solution?
Solve -1674 + 234 = 72*r for r.

A:
-20