Q: Solve:
Solve -37*s + 23*s = 70 for s.

A: -5

Q: Solve:
Solve -52*l + 6672 = 420*l - 4656 for l.

A: 24

Q: Solve:
Solve 111 = 285*x + 186 + 210 for x.

A:
-1