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Ответ дан
wasilechek
3х+2у=8
4х-у=7
________
у=4х-7
3х+2(4х-7)=8 (*)    *3х+2(4х-7)=8; 3х+8х-14=8; 11х=22; х=2
_____________________
х=2
у=2*4-7
_____________
х=2
у=1
ОТВЕТ: (2;1)

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