Write down the solution for this math problem: Solve 56 = -26*q + 160 for q.
answer: 4

Write down the solution for this math problem: Solve 485 + 197 = 31*b for b.
answer: 22

Write down the solution for this math problem: Solve -20 + 74 = -19*a - 60 for a.
answer: -6

Write down the solution for this math problem: Solve 131 - 128 = y for y.
answer:
3