Q: Solve 8*w - 13*w = 20 for w.

A: -4

Q: Solve -35 + 34 = 4*x - 41 for x.

A: 10

Q: Solve 163*i - 125*i + 1674 = 100*i for i.

A: 27

Q: Solve 262*q + 9430 - 9168 = 0 for q.

A:
-1