Question

УПРОСТИТЬ
$y - \frac{2}{3}x - \frac{1}{4}y + \frac{1}{7}x$
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Answer 1

$y - \frac{2}{3} x - \frac{1}{4} y + \frac{1}{7} x\\\\OTBET : \frac{3}{4}y - \frac{11}{21} x$