Write down the solution for this math problem: Solve -110 = 40*v + 250 for v.
answer: -9

Write down the solution for this math problem: Solve 0 = -39*n - 299*n + 186*n for n.
answer: 0

Write down the solution for this math problem: Solve 244*r + 4294 + 5904 = 3854 for r.
answer: -26

Write down the solution for this math problem: Solve 3*r = -694 + 652 for r.
answer:
-14