Q: What is the solution?
Solve 2628 = 472*j - 228*j - 171*j for j.

A: 36

Q: What is the solution?
Solve 20 = -8*p - 20 for p.

A: -5

Q: What is the solution?
Solve -489*f = -465*f - 144 for f.

A:
6