Q: What is the solution?
Solve 97878 - 22353 = -1007*d for d.

A: -75

Q: What is the solution?
Solve 24839*x + 65340 = 24113*x for x.

A: -90

Q: What is the solution?
Solve 12*s = 48*s - 144 for s.

A:
4