Write down the solution for this math problem: Solve 5*d = 15 - 0 for d.
answer: 3

Write down the solution for this math problem: Solve f - 5*f = 2*f for f.
answer: 0

Write down the solution for this math problem: Solve 28*d - 18 = 94 for d.
answer: 4

Write down the solution for this math problem: Solve 425014 + 104209 = -5571*p + 94685 for p.
answer:
-78