Write down the solution for this math problem: Solve -153*l + 157*l = 24 for l.
answer: 6

Write down the solution for this math problem: Solve 0 = 345*s - 344*s - 9 for s.
answer: 9

Write down the solution for this math problem: Solve -6807 + 5987 = -82*d for d.
answer: 10

Write down the solution for this math problem: Solve -172*o - 41*o - 6166 + 16227 = -14434 for o.
answer:
115