Write down the solution for this math problem: Solve 4766*v = -1864*v + 755820 for v.
answer: 114

Write down the solution for this math problem: Solve 837*k - 495 = 882*k for k.
answer: -11

Write down the solution for this math problem: Solve 65*r = 104*r + 234 for r.
answer: -6

Write down the solution for this math problem: Solve -67*k + 872*k + 47461 = 237*k - 963*k for k.
answer:
-31