Write down the solution for this math problem: Solve -15*y = 18*y - 9*y - 240 for y.
answer: 10

Write down the solution for this math problem: Solve 10*b = 14*b + 20 for b.
answer: -5

Write down the solution for this math problem: Solve -41 = 6*j - 23 for j.
answer: -3

Write down the solution for this math problem: Solve -k - 10*k + 3*k = 0 for k.
answer:
0