Q: Solve:
Solve 43*n = -23*n - 1215 - 237 for n.

A: -22

Q: Solve:
Solve -234*f + 1047 = 473 + 22336 for f.

A: -93

Q: Solve:
Solve 483*c + 153*c = -162*c - 39102 for c.

A:
-49