Write down the solution for this math problem: Solve 13*j + 33*j - 414 = 0 for j.
answer: 9

Write down the solution for this math problem: Solve -19*l = -18*l + 4 for l.
answer: -4

Write down the solution for this math problem: Solve -76*k + 12*k + 92 = -74 - 26 for k.
answer: 3

Write down the solution for this math problem: Solve 92*f - 28*f = 28*f + 828 for f.
answer:
23