Question: What is the solution?

Solve -12*a = 8*a - 2126 + 2646 for a.

Answer: -26

Question: What is the solution?

Solve -4833 = 1164*n + 27759 for n.

Answer: -28

Question: What is the solution?

Solve -158 - 1372 = 170*n for n.

Answer: -9

Question: What is the solution?

Solve 32*c + 26*c + 570 = 20*c for c.

Answer:
-15