Write down the solution for this math problem: Solve -7482 + 7240 = -22*a for a.
answer: 11

Write down the solution for this math problem: Solve 0 = -47*x + 53*x + 18 for x.
answer: -3

Write down the solution for this math problem: Solve 13*i + 69 = 95 for i.
answer: 2

Write down the solution for this math problem: Solve -2385 + 28 + 369 = 285*n + 709*n for n.
answer:
-2