Write down the solution for this math problem: Solve -90 = 759*b - 769*b for b.
answer: 9

Write down the solution for this math problem: Solve 9 = -576*r + 568*r + 33 for r.
answer: 3

Write down the solution for this math problem: Solve 10 + 2 = -4*y for y.
answer: -3

Write down the solution for this math problem: Solve 185079 = -28*t + 186031 for t.
answer:
34