Q: What is the solution?
Solve -7*q = -2*q - 73*q - 1156 for q.

A: -17

Q: What is the solution?
Solve -18*z - 447 = 15*z + 279 for z.

A: -22

Q: What is the solution?
Solve 3467*r = 1952*r + 1808*r - 10548 for r.

A:
36