Q: Solve -159*x = 24*x - 3521733 + 3520086 for x.

A: 9

Q: Solve -26*r + 78 + 314 = 23*r for r.

A: 8

Q: Solve 8 = -7*b + 36 for b.

A: 4

Q: Solve -7*u = 2*u - 9 for u.

A:
1