Q: What is the solution?
Solve 42*h - 8*h + 19*h = -81*h - 2948 for h.

A: -22

Q: What is the solution?
Solve -65*s - 1670 = -630 for s.

A: -16

Q: What is the solution?
Solve 426*b = -846*b - 30528 for b.

A:
-24