Q: Solve:
Solve -2940*l + 7712 = -6988 for l.

A: 5

Q: Solve:
Solve 0 = 9*g - 358 + 394 for g.

A: -4

Q: Solve:
Solve 453*r + 4113 + 4508 = -1345 for r.

A:
-22