Question: What is the solution?

Solve -18369 = -1688*y - 11617 for y.

Answer: 4

Question: What is the solution?

Solve 570*b - 64*b = -3542 for b.

Answer: -7

Question: What is the solution?

Solve 13*a - 110 - 82 = 77*a for a.

Answer: -3

Question: What is the solution?

Solve 394*j - 238 = 156*j for j.

Answer:
1