Q: What is the solution?
Solve -87*s - 529 = 330*s - 7618 for s.

A: 17

Q: What is the solution?
Solve -35 = 2*a - 35 for a.

A: 0

Q: What is the solution?
Solve -3867*y - 2277*y - 6441 = -31017 for y.

A:
4