Write down the solution for this math problem: Solve -314*u + 20 = -304*u for u.
answer: 2

Write down the solution for this math problem: Solve -1479 = -20*k + 74*k - 669 for k.
answer: -15

Write down the solution for this math problem: Solve 1094 - 904 = 32*q + 766 for q.
answer: -18

Write down the solution for this math problem: Solve 49*u + 95 + 591 = 0 for u.
answer:
-14