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0074727
@0074727
June 2022
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miron2077
Verified answer
Исходные не пишу
3х-у=-1 I 2
-х+2у=7
6х-2у=-2
-х+2у=7
сложим
5х=5
х=1
у=3х+1=4
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katusha02101
3x-y=-1
2y-x=7
3x-y=-1. ×2
-x+2y=7
6x-2y=-2
-x+2y=7
5x=5
x=1. -1+2y=7
2y=8
y=4
Ответ: 1;4
0 votes
Thanks 0
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Answers & Comments
Verified answer
Исходные не пишу3х-у=-1 I 2
-х+2у=7
6х-2у=-2
-х+2у=7
сложим
5х=5
х=1
у=3х+1=4
2y-x=7
3x-y=-1. ×2
-x+2y=7
6x-2y=-2
-x+2y=7
5x=5
x=1. -1+2y=7
2y=8
y=4
Ответ: 1;4