Write down the solution for this math problem: Solve -470*k + 62168 = 838*k + 398*k + 17812 for k.
answer: 26

Write down the solution for this math problem: Solve 0 = -9*a + 5 - 50 for a.
answer: -5

Write down the solution for this math problem: Solve -688*n - 691*n = -1483*n - 7904 for n.
answer: -76

Write down the solution for this math problem: Solve -1266*b = 2018 + 1609 + 171 for b.
answer:
-3