Q: What is the solution?
Solve 185*r + 1536 = -7*r for r.

A: -8

Q: What is the solution?
Solve 78*y - 1188 = 2*y - 32*y for y.

A: 11

Q: What is the solution?
Solve -4*o - 6382 = -6342 for o.

A:
-10