Q: What is the solution?
Solve 1942*r + 23745 + 30631 = 0 for r.

A: -28

Q: What is the solution?
Solve 0 = 504*d - 403 + 8264 + 1715 for d.

A: -19

Q: What is the solution?
Solve -1905*c - 48972 = 1679*c + 113168 + 56484 for c.

A:
-61