Question

BBBBBBBBBBBBBBBBBBBDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD

Answer 1

$57y-14y-111=3200\\57y-14y=3200+111\\57y-14y=3311\\43y=3311\\y=77$

$875+p:121= 1999\\875+p=1999*121\\875+p=241879\\p=241879-875\\p=241004$

$k+11571:133=487 \\k+11571=487*133\\k+11571=64771\\k=64771-11571\\k=43200$