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rfcrf702а
@rfcrf702а
July 2022
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3(7х+5)=7(3х-2)+10х
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Answers & Comments
misspolyuska
21x+15=21x-14+10x
21x-21x-10x=-14-15
-10x=-29 *(-1)
10x=29
x=29/10
x=2,9
2 votes
Thanks 1
akadmurod80
3*(7х+5)=7*(3х-2)+10х
21х+15=21х-14+10х
21х-21х-10х=-15-14
-10х=29
х=29/10
= 2 9/10
0 votes
Thanks 0
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Answers & Comments
21x-21x-10x=-14-15
-10x=-29 *(-1)
10x=29
x=29/10
x=2,9
21х+15=21х-14+10х
21х-21х-10х=-15-14
-10х=29
х=29/10
= 2 9/10