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margysa79
@margysa79
July 2022
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Помогите решить. 3х/5=2х+3
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ksyu1639463930163
3х/5=2х+3;*5
3х=10х+15;
3х-10х=15
-7х=15/-7
х=-2 1/7(2 целых одна седьмая)
1 votes
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tygvbn
3х/5=5(2х+3)
3х/5=10х+15/5
3х-10х+15/5=0
-7х+15=0
-7х=-15
7х=15
Х=15/7
Х=2 целых 1/7
0 votes
Thanks 0
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Answers & Comments
3х=10х+15;
3х-10х=15
-7х=15/-7
х=-2 1/7(2 целых одна седьмая)
3х/5=10х+15/5
3х-10х+15/5=0
-7х+15=0
-7х=-15
7х=15
Х=15/7
Х=2 целых 1/7