Write down the solution for this math problem: Solve 0 = -23*q + 65*q - 126 for q.
answer: 3

Write down the solution for this math problem: Solve 17*a - 96 = 41*a for a.
answer: -4

Write down the solution for this math problem: Solve 0 = -516*x + 6596 + 3290 - 2146 for x.
answer: 15

Write down the solution for this math problem: Solve 12*u = 71 - 23 for u.
answer:
4