Q: Solve 17*c + 309 - 139 = 0 for c.

A: -10

Q: Solve -26*u - 77 = 2*u - 301 for u.

A: 8

Q: Solve -297*x = -300*x - 15 for x.

A: -5

Q: Solve 25*b = 23*b - 8 for b.

A:
-4