Write down the solution for this math problem: Solve 0 = 9*d - 793 + 838 for d.
answer: -5

Write down the solution for this math problem: Solve 47 = -17*o - 227 + 36 for o.
answer: -14

Write down the solution for this math problem: Solve -157 + 1258 = -141*w - 873 for w.
answer: -14

Write down the solution for this math problem: Solve -29 = -4*u + 33*u for u.
answer:
-1