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elza37
@elza37
August 2022
2
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решите пожалуйста! 2х-15=13; 49-3х=34
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Соня004
2х-15=13
2х=13+15
2x=28
x=28:2
х=14;
49-3x=34
3x=49-34
3x=15
x=15:3
x=5
2 votes
Thanks 1
МагистрИндюк
2х-15=13
2х=13+15
2х=28
х=28:2
х=14
49-3х=34
-3х=34-49
-3х=-15
-х=-15:3
-х=-5
х=5
1 votes
Thanks 1
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Answers & Comments
2х=13+15
2x=28
x=28:2
х=14;
49-3x=34
3x=49-34
3x=15
x=15:3
x=5
2х=13+15
2х=28
х=28:2
х=14
49-3х=34
-3х=34-49
-3х=-15
-х=-15:3
-х=-5
х=5