Q: What is the solution?
Solve -27*n - 100 = -7*n for n.

A: -5

Q: What is the solution?
Solve 103*z + 6543 - 6646 = 0 for z.

A: 1

Q: What is the solution?
Solve -8 + 33 = -4*d - 15 for d.

A:
-10