Write down the solution for this math problem: Solve 0 = -27*x - 21*x - 53*x + 3333 for x.
answer: 33

Write down the solution for this math problem: Solve 54*r - 5*r = 343 for r.
answer: 7

Write down the solution for this math problem: Solve -3*x - 2*x = -x for x.
answer: 0

Write down the solution for this math problem: Solve 39*j = -39*j + 692 - 614 for j.
answer:
1