Write down the solution for this math problem: Solve 6 = 9*u - 3 for u.
answer: 1

Write down the solution for this math problem: Solve 7*c = -99*c - 1484 for c.
answer: -14

Write down the solution for this math problem: Solve -112*l + 3417 = 403*l + 10627 for l.
answer: -14

Write down the solution for this math problem: Solve 51 = -269*i - 249*i + 535*i for i.
answer:
3