Question: What is the solution?

Solve -184*q + 61*q = 278 - 2123 for q.

Answer: 15

Question: What is the solution?

Solve 0 = -u + 597 - 605 for u.

Answer: -8

Question: What is the solution?

Solve 120*s - 1880 = 26*s for s.

Answer: 20

Question: What is the solution?

Solve 4*p = 2*p + 4*p for p.

Answer:
0