Write down the solution for this math problem: Solve -110*r + 522 = 852 for r.
answer: -3

Write down the solution for this math problem: Solve 12 = 20*n + 72 for n.
answer: -3

Write down the solution for this math problem: Solve -836*q = 1437 + 6087 for q.
answer: -9

Write down the solution for this math problem: Solve -4 = v - 5*v for v.
answer:
1