Write down the solution for this math problem: Solve 0 = 38*i + 73*i - 126*i + 56*i - 1968 for i.
answer: 48

Write down the solution for this math problem: Solve -159*d - 203*d + 70*d = 2336 for d.
answer: -8

Write down the solution for this math problem: Solve 10*q = 21*q + 55 for q.
answer: -5

Write down the solution for this math problem: Solve 217*q - 1595 = 72*q for q.
answer:
11