Write down the solution for this math problem: Solve 87050*s - 86991*s = 3245 for s.
answer: 55

Write down the solution for this math problem: Solve 60 = 105*j - 48*j - 87*j for j.
answer: -2

Write down the solution for this math problem: Solve 55*d - 121*d = 396 for d.
answer: -6

Write down the solution for this math problem: Solve -39*y + 232 = 19*y for y.
answer:
4