Write down the solution for this math problem: Solve 23 = -6*b - 14 + 7 for b.
answer: -5

Write down the solution for this math problem: Solve -41*y - 117 + 170 = -685 for y.
answer: 18

Write down the solution for this math problem: Solve 87*j = 81*j - 18 for j.
answer: -3

Write down the solution for this math problem: Solve -3105*y + 85500 = -827*y - 21566 for y.
answer:
47