Write down the solution for this math problem: Solve 6936 - 120 = 293*l + 275*l for l.
answer: 12

Write down the solution for this math problem: Solve 61*l - 353411 = 7*l - 351629 for l.
answer: 33

Write down the solution for this math problem: Solve 0 = 2*d + 43 - 51 for d.
answer: 4

Write down the solution for this math problem: Solve -15105*z = -14455*z - 12350 for z.
answer:
19