Write down the solution for this math problem: Solve -295*r = -283*r + 48 for r.
answer: -4

Write down the solution for this math problem: Solve 5828 - 33959 = 1996*r + 47717 for r.
answer: -38

Write down the solution for this math problem: Solve 3*d + 24 = -5*d for d.
answer: -3

Write down the solution for this math problem: Solve 163*d - 609*d = 1364*d - 196172 - 11978 for d.
answer:
115