Write down the solution for this math problem: Solve 0 = -80*k - 26*k - 423 + 2013 for k.
answer: 15

Write down the solution for this math problem: Solve 219*l + 3 + 4692 = 39*l - 1965 for l.
answer: -37

Write down the solution for this math problem: Solve 17001 = 170*s + 17171 for s.
answer: -1

Write down the solution for this math problem: Solve 8*d + 24 = 14*d for d.
answer:
4