Write down the solution for this math problem: Solve 286*p - 291*p = 30 for p.
answer: -6

Write down the solution for this math problem: Solve -15*k = 17*k - 85 - 2379 for k.
answer: 77

Write down the solution for this math problem: Solve -7742*y - 18184 + 521414 = 0 for y.
answer: 65

Write down the solution for this math problem: Solve 181*a = 242*a - 524 + 97 for a.
answer:
7