Q: Solve:
Solve 128 = 143*c - 159*c for c.

A: -8

Q: Solve:
Solve 19*r + 37*r + 534*r + 76110 = 0 for r.

A: -129

Q: Solve:
Solve -2571*x + 99792 = 453*x for x.

A:
33