Q: Solve 0 = 10*t + 2*t + 4283 - 4823 for t.

A: 45

Q: Solve 5*r + 65 = 3*r - 11*r for r.

A: -5

Q: Solve 12 = -18*s - 19*s + 12 for s.

A: 0

Q: Solve -667 = -10*w - 17*w - 2*w for w.

A:
23