Question: What is the solution?

Solve -12*n - 3*n = 7*n + 154 for n.

Answer: -7

Question: What is the solution?

Solve -632*z - 506*z - 161*z = -96*z + 61353 for z.

Answer: -51

Question: What is the solution?

Solve 4800 = 772*n + 102*n + 26650 for n.

Answer: -25

Question: What is the solution?

Solve 155 = -380*n - 605 for n.

Answer:
-2