1)x=3 y=4 x+y= 7
2)x=5 y=3 x+y= 8
3)x=7 y=2 x+y= 9
4)x=9 y=1 x+y= 10
Ответ :x=9
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1)x=3 y=4 x+y= 7
2)x=5 y=3 x+y= 8
3)x=7 y=2 x+y= 9
4)x=9 y=1 x+y= 10
Ответ :x=9