Q: Solve 61*q = 57*q + 4 for q.

A: 1

Q: Solve 5 = 2*i + 7 for i.

A: -1

Q: Solve -779*u + 5266 = -11093 for u.

A: 21

Q: Solve -366 - 225 - 273 = 72*z for z.

A:
-12