Write down the solution for this math problem: Solve 782 = -17*a + 176*a + 305 for a.
answer: 3

Write down the solution for this math problem: Solve 0 = -4*u - 29 + 9 for u.
answer: -5

Write down the solution for this math problem: Solve 16 = 9*z - 5*z for z.
answer: 4

Write down the solution for this math problem: Solve -182 = 6*a - 170 for a.
answer:
-2