Ответ:
5х+2у=16
5х+2х-2=16
16+2=7х
18:7=18/7
Х=2 4/7
У=1 4/7
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Ответ:
5х+2у=16
5х+2х-2=16
16+2=7х
18:7=18/7
Х=2 4/7
У=1 4/7