Write down the solution for this math problem: Solve 0 = 1481*r - 1473*r - 152 for r.
answer: 19

Write down the solution for this math problem: Solve 839 = -102*z + 125 for z.
answer: -7

Write down the solution for this math problem: Solve 114*r - 40888 = -34162 for r.
answer: 59

Write down the solution for this math problem: Solve 37*n + 38 = 334 for n.
answer:
8