Q: What is the solution?
Solve 20*k + 83 = -37 for k.

A: -6

Q: What is the solution?
Solve -286*d + 2918*d - 73780 = -1708*d for d.

A: 17

Q: What is the solution?
Solve -23*o - 30*o + 924 = -9*o for o.

A:
21