Q: Solve -12 = 11*b - 7*b for b.

A: -3

Q: Solve 43*x = 557 - 126 + 429 for x.

A: 20

Q: Solve 0 = 50*m + 404*m - 4994 for m.

A: 11

Q: Solve -7566 = -223*o + 3807 for o.

A:
51