(2х-35/х-4у-5)-(5х-28у/5+4у-х)Упростите
2х-35 5х-28у 2х-35+5х-28у 7х-28у-35 7(х-4у-5)
--------- - ----------- = --------------------- = --------------- = ------------ = 7
х-4у-5 5+4у-х х-4у-5 х-4у-5 х-4у-5
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2х-35 5х-28у 2х-35+5х-28у 7х-28у-35 7(х-4у-5)
--------- - ----------- = --------------------- = --------------- = ------------ = 7
х-4у-5 5+4у-х х-4у-5 х-4у-5 х-4у-5