Write down the solution for this math problem: Solve 14*d - 107*d + 4680 = 31*d - 7*d for d.
answer: 40

Write down the solution for this math problem: Solve 25*s - 24743 + 13172 + 12671 = 0 for s.
answer: -44

Write down the solution for this math problem: Solve 698*z = -479*z + 959*z - 7412 for z.
answer: -34

Write down the solution for this math problem: Solve -15*p = -9352 + 9457 for p.
answer:
-7