Question: What is the solution?

Solve -11*a = 29 - 84 for a.

Answer: 5

Question: What is the solution?

Solve -105*z + 7065 = -2868 + 1323 for z.

Answer: 82

Question: What is the solution?

Solve 2 = -i + 6 for i.

Answer: 4

Question: What is the solution?

Solve 123 + 153 = -217*y - 158 for y.

Answer:
-2