Write down the solution for this math problem: Solve -k - 30 = 5*k for k.
answer: -5

Write down the solution for this math problem: Solve 150*w - 24*w = 375 + 129 for w.
answer: 4

Write down the solution for this math problem: Solve 9 = -5*n + 4 for n.
answer: -1

Write down the solution for this math problem: Solve 11251 = -3506*b - 150025 for b.
answer:
-46