Write down the solution for this math problem: Solve -105*f - 22771 = -11326 for f.
answer: -109

Write down the solution for this math problem: Solve -22*c + 163*c + 3014 = -133*c for c.
answer: -11

Write down the solution for this math problem: Solve -82*l + 426563 = 28*l + 423703 for l.
answer: 26

Write down the solution for this math problem: Solve 127*c - 435*c - 2659 = 3501 for c.
answer:
-20