Q: Solve:
Solve -86 - 171 = 310*k + 467 - 104 for k.

A: -2

Q: Solve:
Solve -18 = 5*n + 4*n for n.

A: -2

Q: Solve:
Solve -59*b - 61*b = -0*b + 480 for b.

A:
-4