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sadykovarozyam
@sadykovarozyam
August 2022
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решите 3х-2у =7 и 2х+2у =8
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RedCat2005
3x+2y=8
y=4x-7
Потом:
3x +2(4x -7) =8
3x´+8x-14=8
11x=8+14
11x =22
x= 22:11
х=2
8 votes
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Answers & Comments
y=4x-7
Потом:
3x +2(4x -7) =8
3x´+8x-14=8
11x=8+14
11x =22
x= 22:11
х=2