Q: What is the solution?
Solve 0 = -39*s - 301 - 1751 + 141 for s.

A: -49

Q: What is the solution?
Solve -4*d = -64*d + 484 + 949 + 967 for d.

A: 40

Q: What is the solution?
Solve -238*o - 588 = 20832 for o.

A:
-90