Q: Solve:
Solve 0 = -56*x + 60*x - 8 for x.

A: 2

Q: Solve:
Solve -149*d - 165*d = 83*d + 9528 for d.

A: -24

Q: Solve:
Solve -132*r - 36*r = 5*r - 519 for r.

A:
3