Q: What is the solution?
Solve 159*c + 90 = 189*c for c.

A: 3

Q: What is the solution?
Solve 5222 + 2227 - 1645 = -188*l - 4536 for l.

A: -55

Q: What is the solution?
Solve -33596 + 33580 = 2*q for q.

A:
-8