Q: Solve -9*u = -13*u - 12 for u.

A: -3
Q: Solve:
Solve 386 = 67*u + 31 + 20 for u.

A: 5
Question: What is the solution?

Solve 0*w - 5*w = 5 for w.

Answer: -1
Problem: Math Problem
Solve 8194*n - 16 = 8198*n for n.

A: -4
Question:
Solve 5*n + 108*n + 304*n = 7506 for n..

Answer:
18
Q: Solve 805 = 1528*x - 19128 - 12155 for x.

A:
21