Q: Solve -216*r + 32534 - 55646 = 0 for r.

A: -107

Q: Solve 27 - 7 = -4*n for n.

A: -5

Q: Solve -6*v = -v - 5 for v.

A: 1

Q: Solve 4*k = -12*k - 32 for k.

A:
-2