Question: What is the solution?

Solve -223*i + 18073 = 7*i - 525*i - 4937 for i.

Answer: -78

Question: What is the solution?

Solve -1489*x + 913*x - 4032 = 0 for x.

Answer: -7

Question: What is the solution?

Solve 270 - 116 = 79*a - 162 for a.

Answer: 4

Question: What is the solution?

Solve -469 - 2465 = -444*s + 618 for s.

Answer:
8