Write down the solution for this math problem: Solve 1028 + 392 = -60*u - 800 for u.
answer: -37

Write down the solution for this math problem: Solve -311*a - 5274 - 7261 = 234*a for a.
answer: -23

Write down the solution for this math problem: Solve 107278 = -8711*i - 7737*i - 1142770 for i.
answer: -76

Write down the solution for this math problem: Solve 0 = -28*v + 10 - 188 - 74 for v.
answer:
-9