Write down the solution for this math problem: Solve -2850*a - 80174 - 74221 = -634*a + 51693 for a.
answer: -93

Write down the solution for this math problem: Solve 56*b + 67 = -493 for b.
answer: -10

Write down the solution for this math problem: Solve -164*f - 307*f + 12717 = 0 for f.
answer: 27

Write down the solution for this math problem: Solve -36*l = -27*l - 45 for l.
answer:
5