Write down the solution for this math problem: Solve 35*j - 27 = 8*j for j.
answer: 1

Write down the solution for this math problem: Solve -484 + 281 = 132*c + 721 for c.
answer: -7

Write down the solution for this math problem: Solve -2725 - 4034 = -629*f + 129*f + 6741 for f.
answer: 27

Write down the solution for this math problem: Solve -4*r + 39 = 27 for r.
answer:
3