Write down the solution for this math problem: Solve -35 = -12*u - 71 for u.
answer: -3

Write down the solution for this math problem: Solve -148*p = 176*p - 107 + 755 for p.
answer: -2

Write down the solution for this math problem: Solve 2*i - 28*i = 156 for i.
answer: -6

Write down the solution for this math problem: Solve 146*o - 1305 = 23*o - 22*o for o.
answer:
9