Write down the solution for this math problem: Solve 569*n - 20 = 573*n for n.
answer: -5

Write down the solution for this math problem: Solve -48*v + 40*v + 4826 = -135*v for v.
answer: -38

Write down the solution for this math problem: Solve 30*o + 58*o + 155 = -285 for o.
answer: -5

Write down the solution for this math problem: Solve 1760*k = 1799*k + 78 for k.
answer:
-2