Write down the solution for this math problem: Solve 70 = -29*b - 75 for b.
answer: -5

Write down the solution for this math problem: Solve -728 = -5368*x + 5312*x for x.
answer: 13

Write down the solution for this math problem: Solve 144 = 20*k - 51 - 25 for k.
answer: 11

Write down the solution for this math problem: Solve 165886 - 22736 = 851*i - 355*i + 2367*i for i.
answer:
50