Write down the solution for this math problem: Solve 3082 + 5810 = 584*i - 90*i for i.
answer: 18

Write down the solution for this math problem: Solve 89*a + 3961 = -400 for a.
answer: -49

Write down the solution for this math problem: Solve 188*f + 69*f + 1078 = 94*f - 1204 for f.
answer: -14

Write down the solution for this math problem: Solve -9676*b - 55424 - 61680 = 37712 for b.
answer:
-16