Write down the solution for this math problem: Solve 720 = 81*k + 3717 for k.
answer: -37

Write down the solution for this math problem: Solve -381 = -335*d - 9426 for d.
answer: -27

Write down the solution for this math problem: Solve -179*p = -163*p - 16 for p.
answer: 1

Write down the solution for this math problem: Solve -5*a - 80 = -100 for a.
answer:
4