Q: What is the solution?
Solve 252*d - 63*d - 7*d - 2226 + 20244 = 0 for d.

A: -99

Q: What is the solution?
Solve -181 = 22*z + 109 - 4 for z.

A: -13

Q: What is the solution?
Solve -717*w - 674*w + 132 = -1346*w + 2112 for w.

A:
-44