Write down the solution for this math problem: Solve 0 = 2916*s - 2928*s + 72 for s.
answer: 6

Write down the solution for this math problem: Solve -30 = 5*a + a for a.
answer: -5

Write down the solution for this math problem: Solve 63282 - 32945 = -2497*l - 89519 for l.
answer: -48

Write down the solution for this math problem: Solve 13*a + 28*a + 82144 = 83948 for a.
answer:
44