Solve 22*b + 2 = -56*b + 2 for b.
Solve this plz.

A: 0

Solve 142*r + 2660 = -23*r + 32*r for r.
Solve this plz.

A: -20

Solve -12*n = n + 52 for n.
Solve this plz.

A:
-4