Q: Solve -4*c + 2 = -6 for c.

A: 2

Q: Solve -28*r + 175891 = 176311 for r.

A: -15

Q: Solve 327*w = -0 - 2 + 2 for w.

A: 0

Q: Solve 5*l + 35 = -23 + 13 for l.

A:
-9