Q: Solve -22*x + 30*x + 8 = 0 for x.

A: -1

Q: Solve -1791*q + 215904 = -3645*q - 2644*q for q.

A: -48

Q: Solve -14 - 113 = -21*w - 43 for w.

A: 4

Q: Solve -2*v - 192 + 188 = 0 for v.

A:
-2