Q: Solve:
Solve -224*t - 357 = -284*t - 2277 for t.

A: -32

Q: Solve:
Solve 0 = 21*w + 177 - 51 for w.

A: -6

Q: Solve:
Solve 69224*i - 69213*i + 22 = 0 for i.

A:
-2