Q: What is the solution?
Solve 153*x + 1531 = 1912 - 7113 for x.

A: -44

Q: What is the solution?
Solve 83*a + 161145 = 166125 for a.

A: 60

Q: What is the solution?
Solve -131*n - 30*n = -21*n for n.

A:
0