Q: Solve -21243 = -163*n - 11463 for n.

A: 60

Q: Solve 736*z + 45 = 727*z for z.

A: -5

Q: Solve 13*u + 14 = -12 for u.

A: -2

Q: Solve 61*o + 10 = -478 for o.

A:
-8