Q: Solve -21*y = -22*y + 31*y - 150 for y.

A: 5

Q: Solve 998*w + 10541 = -42549 + 9178 for w.

A: -44

Q: Solve 19 = 3*i + 4 for i.

A: 5

Q: Solve 0 = 403*y - 6325 - 5765 for y.

A:
30