Q: Solve -343*b + 91*b + 8723 = -3121 for b.

A: 47

Q: Solve 4*s = 9*s + 10 for s.

A: -2

Q: Solve 0*f = 6*f + 6 for f.

A: -1

Q: Solve 25910*u - 25832*u + 1219 = 3949 for u.

A:
35