Q: Solve 4*t + 13 - 9 = 0 for t.

A: -1

Q: Solve -5995 = 294463*w - 294354*w for w.

A: -55

Q: Solve 3*u - 2*u = -6 + 3 for u.

A: -3

Q: Solve -20*m - 22 = -31*m for m.

A:
2