Q: Solve 222 - 230 = 4*z for z.

A: -2

Q: Solve -25*h - 11*h + 553 = 193 for h.

A: 10

Q: Solve 0 = 2038*q + 219498 - 48306 for q.

A: -84

Q: Solve 16*x + 1304 = 1256 for x.

A:
-3