Write down the solution for this math problem: Solve -213*y - 155*y = -11885 + 3789 for y.
answer: 22

Write down the solution for this math problem: Solve -457 = 8*f - 433 for f.
answer: -3

Write down the solution for this math problem: Solve 2*r + 57 = 37 + 40 for r.
answer: 10

Write down the solution for this math problem: Solve -19*u - 1314 = -7*u - 930 for u.
answer:
-32