Question: What is the solution?

Solve -222 = 10*a + 64*a for a.

Answer: -3

Question: What is the solution?

Solve 23*b = 1 - 24 for b.

Answer: -1

Question: What is the solution?

Solve 39*c = -106*c - 1286 + 271 for c.

Answer: -7

Question: What is the solution?

Solve -96 = -1321*j + 1305*j for j.

Answer:
6