Q: Solve:
Solve 1077*d - 1060*d = 136 for d.

A: 8

Q: Solve:
Solve w = 8*w - 28*w - 189 for w.

A: -9

Q: Solve:
Solve -623*x - 10440 = 6055 + 2195 for x.

A:
-30