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ramina4567
@ramina4567
September 2021
2
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ПОМОГИТЕЕЕ СРОЧНО НАДОО.
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ррииии
1)1,625
2)2
3)-0.25
4)-1,3
0 votes
Thanks 0
liannakarapetyan95
1) 9-7y=2,5 -3y
3y-7y=2,5-9
-4y= -6,5
Y= 6,5:4
Y= 1,625
2)3,2-5a=-1,8a+4
1,8a-5a=-3,2+4
3,2a=0,8
a= 0,8:3,2
a=0,25
3)0,8x-3,5=-1,2x +0,5
0,8x+1,2x=3,5+0,5
2x=4
x=4:2
x=2
4)8,6x-3,6=7,6x-5
8,6x-7,6x=3,6-5
1x=–1,4
x=–1,4
1 votes
Thanks 1
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Answers & Comments
2)2
3)-0.25
4)-1,3
3y-7y=2,5-9
-4y= -6,5
Y= 6,5:4
Y= 1,625
2)3,2-5a=-1,8a+4
1,8a-5a=-3,2+4
3,2a=0,8
a= 0,8:3,2
a=0,25
3)0,8x-3,5=-1,2x +0,5
0,8x+1,2x=3,5+0,5
2x=4
x=4:2
x=2
4)8,6x-3,6=7,6x-5
8,6x-7,6x=3,6-5
1x=–1,4
x=–1,4