Write down the solution for this math problem: Solve 28*i - 46 - 94 = 0 for i.
answer: 5

Write down the solution for this math problem: Solve -374 = -181*y + 712 for y.
answer: 6

Write down the solution for this math problem: Solve 2*y = 9*y + 28 for y.
answer: -4

Write down the solution for this math problem: Solve 2820*c - 2842*c + 330 = 0 for c.
answer:
15