Q: Solve 3*w + 15 = 12 for w.

A: -1

Q: Solve -7*i = -103*i - 2016 for i.

A: -21

Q: Solve 0*n = -6*n + n for n.

A: 0

Q: Solve 46*z + 200 = 6*z for z.

A:
-5