Write down the solution for this math problem: Solve -271*u + 93*u - 924 = -130*u - 125*u for u.
answer: 12

Write down the solution for this math problem: Solve 35*u - 38*u + 15 = 0 for u.
answer: 5

Write down the solution for this math problem: Solve 0 = -0*f - 7*f for f.
answer: 0

Write down the solution for this math problem: Solve 19*h + 10 = 14*h for h.
answer:
-2