Write down the solution for this math problem: Solve -68 = -2*d + 44*d - 8*d for d.
answer: -2

Write down the solution for this math problem: Solve -66*r = -31*r + 32*r for r.
answer: 0

Write down the solution for this math problem: Solve 33*z + 102 = -129 for z.
answer: -7

Write down the solution for this math problem: Solve 0 = 234*i - 1865 - 1789 - 1494 for i.
answer:
22