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gafarovakarina
@gafarovakarina
July 2022
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Помогите решить уравнения:
-1,7x-1,4=0,3x
1,9-1,5z=0,1-0,5z
0,8c-0,1=-0,2c
-4,5=0,5y-1,5
-3x+7,5=-0,5x
-0,6+1,6a=0,4a
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Answers & Comments
Дарина10022003
1) -1,7х-1,4=0.3х
-2х=1.4
х=-0.7
2)1.9-1.5z=0.1-0.5z
-1z=-1.8
z=1.8
3) 0.8c-0.1=-0.2c
1c=0.1
c=0.1
4)-4.5=0.5y-1.5
-0.5y=4.5-1.5
y= -6
5)-3x-7.5=-0.5x
-2.5x=7.5
x= -18.75
2 votes
Thanks 1
kgjfsfhccvbbhghkj
В 5 уравнении не правильный ответ
kgjfsfhccvbbhghkj
Должно быть так
kgjfsfhccvbbhghkj
-3х+0,5х=-7,5
-2,5х=-7,5
х=3
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Answers & Comments
-2х=1.4
х=-0.7
2)1.9-1.5z=0.1-0.5z
-1z=-1.8
z=1.8
3) 0.8c-0.1=-0.2c
1c=0.1
c=0.1
4)-4.5=0.5y-1.5
-0.5y=4.5-1.5
y= -6
5)-3x-7.5=-0.5x
-2.5x=7.5
x= -18.75
-2,5х=-7,5
х=3