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zyflb
@zyflb
June 2022
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Решите уравнения: а) 15-8х=21. б) 2х+4х=30. в) 4у+2у-у=20
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Царинка
15-8х=21
-8х=21-15
-8х=6
х= -0,75
2х+4х=30
6х=30:6
х=5
4у+2у-у=20
5у=20:5
у=4
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Answers & Comments
-8х=21-15
-8х=6
х= -0,75
2х+4х=30
6х=30:6
х=5
4у+2у-у=20
5у=20:5
у=4