Write down the solution for this math problem: Solve -34407*r + 34205*r + 7070 = 0 for r.
answer: 35

Write down the solution for this math problem: Solve -8 = -9*y + 13*y for y.
answer: -2

Write down the solution for this math problem: Solve -137*k - 2056 + 8046 = -4011 for k.
answer: 73

Write down the solution for this math problem: Solve 0 = -536*o + 12*o - 1813 - 3427 for o.
answer:
-10