Write down the solution for this math problem: Solve 0 = 21*q + 3*q + 72 for q.
answer: -3

Write down the solution for this math problem: Solve 5208*x - 58211 - 175670 = -62017 for x.
answer: 33

Write down the solution for this math problem: Solve 312*u = 427*u + 8946 - 3656 for u.
answer: -46

Write down the solution for this math problem: Solve -44*u = -41*u + 3 for u.
answer:
-1