Write down the solution for this math problem: Solve 224*w + 1994*w + 1541*w - 462553 = -1324*w for w.
answer: 91

Write down the solution for this math problem: Solve 0 = 7*b - 8*b + 5 for b.
answer: 5

Write down the solution for this math problem: Solve -4*d + 17 - 1 = 0 for d.
answer: 4

Write down the solution for this math problem: Solve 46*k + 101*k - 740 = -270*k + 928 for k.
answer:
4