Q: Solve -267*z + 15 = -272*z for z.

A: -3

Q: Solve -59*u + 290 = 51*u - 590 for u.

A: 8

Q: Solve 0 = 1120*v + 83225 - 111225 for v.

A: 25

Q: Solve -235275 = -4*v + 3141*v for v.

A:
-75