Write down the solution for this math problem: Solve 1513*s - 21344 = 1231*s + 1018*s for s.
answer: -29

Write down the solution for this math problem: Solve 7*u + 12*u = 19 for u.
answer: 1

Write down the solution for this math problem: Solve 0 = 28*p + 69 + 183 for p.
answer: -9

Write down the solution for this math problem: Solve 0 = 135*o + 96 + 62 + 652 for o.
answer:
-6