Write down the solution for this math problem: Solve 10 - 28 = 6*j for j.
answer: -3

Write down the solution for this math problem: Solve 0 = 6*p - p - 81*p + 891 + 97 for p.
answer: 13

Write down the solution for this math problem: Solve -1620*f + 20394 = -398*f + 59*f + 985*f for f.
answer: 9

Write down the solution for this math problem: Solve 17*y = 22 - 5 for y.
answer:
1