Q: What is the solution?
Solve 13*s = -15*s - 224 for s.

A: -8

Q: What is the solution?
Solve -10*j + 4 = -11*j for j.

A: -4

Q: What is the solution?
Solve -5*j - 15 - 10 = 0 for j.

A:
-5