Question: What is the solution?

Solve 0 = 50*c - 89 - 111 for c.

Answer: 4

Question: What is the solution?

Solve -2632*n + 2628*n + 72 = 0 for n.

Answer: 18

Question: What is the solution?

Solve 4236*z + 4117*z - 192018 = 25160 for z.

Answer: 26

Question: What is the solution?

Solve 149*m + 3216 = -22*m - 30*m for m.

Answer:
-16