Q: What is the solution?
Solve -9720*q + 1534 = -9662*q - 115 - 4267 for q.

A: 102

Q: What is the solution?
Solve 20 = -22*f + 12*f for f.

A: -2

Q: What is the solution?
Solve -7727*l - 56*l = 10101*l + 490284 - 132604 for l.

A:
-20