Write down the solution for this math problem: Solve -974*f - 24757 = 9569 + 1712 for f.
answer: -37

Write down the solution for this math problem: Solve 0*d - 21 = 7*d for d.
answer: -3

Write down the solution for this math problem: Solve 2*n - 46 = -44 for n.
answer: 1

Write down the solution for this math problem: Solve 1430*o - 25860 - 39920 = 0 for o.
answer:
46