Q: Solve 0 = 160*j - 165*j + 20 for j.

A: 4

Q: Solve 311029 = -835*x + 251744 for x.

A: -71

Q: Solve 0 = -10*l - 4 - 6 for l.

A: -1

Q: Solve 0 = 21*c - 113 + 8 for c.

A:
5