Question: What is the solution?

Solve -736*k + 72*k = -520*k + 10224 for k.

Answer: -71

Question: What is the solution?

Solve 0 = 1700*n - 1686*n + 56 for n.

Answer: -4

Question: What is the solution?

Solve 214*z + 7 = 215*z for z.

Answer: 7

Question: What is the solution?

Solve -5*x - 107 = 248 + 154 + 226 for x.

Answer:
-147