Write down the solution for this math problem: Solve -8*s - 8 = -4*s for s.
answer: -2

Write down the solution for this math problem: Solve -35*r = -28*r + 14 for r.
answer: -2

Write down the solution for this math problem: Solve -181965 - 57769 + 14133 = -3682*d + 2683 for d.
answer: 62

Write down the solution for this math problem: Solve 90*p + 1914 = 169*p + 97 for p.
answer:
23