Write down the solution for this math problem: Solve 0 = 85*n + 1938 - 323 for n.
answer: -19

Write down the solution for this math problem: Solve 22*a - 19*a = 3 for a.
answer: 1

Write down the solution for this math problem: Solve -f = 12*f - 91 for f.
answer: 7

Write down the solution for this math problem: Solve -5747*d + 801199 = 3906*d for d.
answer:
83