Write down the solution for this math problem: Solve 128*a - 239*a - 401*a - 33280 = 0 for a.
answer: -65

Write down the solution for this math problem: Solve -8*v + 56*v + 132 = 15*v for v.
answer: -4

Write down the solution for this math problem: Solve 165*d - 46*d - 727*d + 910 - 15502 = 0 for d.
answer: -24

Write down the solution for this math problem: Solve -319*i - 304*i + 576*i = -376 for i.
answer:
8