Write down the solution for this math problem: Solve 891*x - 34986 = -435*x + 243*x - 583*x for x.
answer: 21

Write down the solution for this math problem: Solve 0 = 1393*i + 429 + 2273 + 84 for i.
answer: -2

Write down the solution for this math problem: Solve -42*i = -124*i + 52*i + 210 for i.
answer: 7

Write down the solution for this math problem: Solve 124*q = -239*q + 248*q + 7130 for q.
answer:
62