Write down the solution for this math problem: Solve -371179*f = -371127*f - 1456 for f.
answer: 28

Write down the solution for this math problem: Solve 8*b - 20 = 18*b for b.
answer: -2

Write down the solution for this math problem: Solve -31*a - 63*a - 43*a = 0 for a.
answer: 0

Write down the solution for this math problem: Solve 122*p = -266*p + 28*p - 814 - 6386 for p.
answer:
-20