Question: What is the solution?

Solve 39 = -10*n + 23 - 54 for n.

Answer: -7

Question: What is the solution?

Solve 20*c - 45 = 15 for c.

Answer: 3

Question: What is the solution?

Solve -9906 + 23108 = -195*g - 13123 for g.

Answer: -135

Question: What is the solution?

Solve -68 - 165 = -48*z + 295 for z.

Answer:
11