Q: Solve -8*l - 28 = 6*l for l.

A: -2
Q: Solve:
Solve 0 = 9*f - 5*f + 12 for f.

A: -3
Question: What is the solution?

Solve 5*r - 12 = -17 for r.

Answer: -1
Problem: Math Problem
Solve -4*x = -9*x for x.

A: 0
Question:
Solve 0 = -33*f - 127 + 61 for f..

Answer:
-2
Question:
Solve 1540 = 883*r - 743*r for r..

Answer:
11