Write down the solution for this math problem: Solve 13*x + 2*x + 147 = 177 for x.
answer: 2

Write down the solution for this math problem: Solve 1376 = 82*k - 6578 for k.
answer: 97

Write down the solution for this math problem: Solve -5*i - 21 = 108 + 1 for i.
answer: -26

Write down the solution for this math problem: Solve 0 = 4*b - 4 - 4 for b.
answer:
2