Write down the solution for this math problem: Solve b + 8 - 2 = 0 for b.
answer: -6

Write down the solution for this math problem: Solve 1573*k = 208*k + 69615 for k.
answer: 51

Write down the solution for this math problem: Solve -28*j + 1830 = -36*j + 130*j for j.
answer: 15

Write down the solution for this math problem: Solve 382 - 322 = -12*d for d.
answer:
-5