Q: Solve 0 = -5*w - 19 + 4 for w.

A: -3

Q: Solve 17 = -12*k - 7 for k.

A: -2

Q: Solve 0 = -31*x + 145*x + 1026 for x.

A: -9

Q: Solve -22 = 12*f - 46 for f.

A:
2