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g2k679
@g2k679
July 2022
2
6
Report
а)
х
= 18;
б) 7
x
+ 11,9 = 0;
в) 6х - 0,8 = 3
х
+ 2,2;
г) 5х - (7х
+ 7) = 9.
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Answers & Comments
safie01
А) х=18
б) 7х+11,9=0
7х=-11,9
х=-11,9:7
х=-1,7
в) 6х-0,8=3х+2,2
6х-3х=2,2+0,8
3х=3
х=1
г) 5х-(7х+7)=9
5х-7х-7=9
-2х=16
х=16:(-2)
х=-8
4 votes
Thanks 4
mordovinalyuda
А) х=18
б) 7х=-11,9
х=-1,7
в) 6х-3х=2,2+0,8
3х=3
х=1
г) 5х-7х-7=9
5х-7х=9+7
-2х=16
х=-8
3 votes
Thanks 2
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Answers & Comments
б) 7х+11,9=0
7х=-11,9
х=-11,9:7
х=-1,7
в) 6х-0,8=3х+2,2
6х-3х=2,2+0,8
3х=3
х=1
г) 5х-(7х+7)=9
5х-7х-7=9
-2х=16
х=16:(-2)
х=-8
б) 7х=-11,9
х=-1,7
в) 6х-3х=2,2+0,8
3х=3
х=1
г) 5х-7х-7=9
5х-7х=9+7
-2х=16
х=-8