Write down the solution for this math problem: Solve 8135*m = 7867*m + 10988 for m.
answer: 41

Write down the solution for this math problem: Solve 16 = 2*y + 2*y for y.
answer: 4

Write down the solution for this math problem: Solve -19*q - 9 = -22*q for q.
answer: 3

Write down the solution for this math problem: Solve 431*a - 10065 + 4031 = 0 for a.
answer:
14