Write down the solution for this math problem: Solve -23*d - 601 = -261 - 110 for d.
answer: -10

Write down the solution for this math problem: Solve 15 = -63*n + 48*n for n.
answer: -1

Write down the solution for this math problem: Solve 460*u + 484*u - 950*u - 288 = 0 for u.
answer: -48

Write down the solution for this math problem: Solve 142*v + 386 - 317 = -641 for v.
answer:
-5