Write down the solution for this math problem: Solve 313*d + 3020*d + 6351 + 3648 = 0 for d.
answer: -3

Write down the solution for this math problem: Solve -2256*r + 94689 = 238*r + 24039 - 21628 for r.
answer: 37

Write down the solution for this math problem: Solve -120 = -17*u - 3*u for u.
answer: 6

Write down the solution for this math problem: Solve -18*y + 54*y = -360 for y.
answer:
-10