Write down the solution for this math problem: Solve 12*c + 47*c - 9520 = -26*c for c.
answer: 112

Write down the solution for this math problem: Solve 581*d + 826 = 459*d - 28 for d.
answer: -7

Write down the solution for this math problem: Solve -45*y - 42 - 3 = 0 for y.
answer: -1

Write down the solution for this math problem: Solve -3899*m + 209745 = 762*m for m.
answer:
45