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Коля228з
@Коля228з
July 2022
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решите уравнение 7-3(Х+2)=4х+15
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Эйнштейн134
7-3x-6=4x+15
-3x-4x=15-7+6
-7x=14
-x=-2
x=2
2 votes
Thanks 1
xela081604
7-3х+6=4х+15
-3х-4х=15-7-6
-7х=2
х=7:2
х=3.5
Ответ:х=3.5
0 votes
Thanks 1
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Answers & Comments
-3x-4x=15-7+6
-7x=14
-x=-2
x=2
-3х-4х=15-7-6
-7х=2
х=7:2
х=3.5
Ответ:х=3.5