Write down the solution for this math problem: Solve 0 = 256*x - 60 - 196 for x.
answer: 1

Write down the solution for this math problem: Solve 21*r - 27225 = -27519 for r.
answer: -14

Write down the solution for this math problem: Solve 74*o - 1192 = -600 for o.
answer: 8

Write down the solution for this math problem: Solve 31*i - 2152 = 127*i + 344 for i.
answer:
-26