Ответ:
2х-у=3
3х+2у=8
-у=3-2х
у=2х-3
3х+2(2х-3)=8
3х+4х-6=8
7x=14
x=2
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Ответ:
2х-у=3
3х+2у=8
-у=3-2х
у=2х-3
3х+2(2х-3)=8
3х+4х-6=8
7x=14
x=2