Q: What is the solution?
Solve 0 = -1767*a - 1659 - 108 for a.

A: -1

Q: What is the solution?
Solve -67 = -20*r + 349*r + 104*r - 5263 for r.

A: 12

Q: What is the solution?
Solve 5*z + 36 = -4*z for z.

A:
-4