Question: What is the solution?

Solve -5*s + 3 = 28 for s.

Answer: -5

Question: What is the solution?

Solve 6*n = 26 - 2 for n.

Answer: 4

Question: What is the solution?

Solve -161*w + 451 = -120*w for w.

Answer: 11

Question: What is the solution?

Solve 314*s + 179*s = 15265 - 7119 + 12560 for s.

Answer:
42