Q: What is the solution?
Solve 1440 = -568*k + 508*k for k.

A: -24

Q: What is the solution?
Solve 0 = 23*u - 11*u + 48 for u.

A: -4

Q: What is the solution?
Solve 402*q + 27041 = 1515*q - 53095 for q.

A:
72