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sfsdffs3z
@sfsdffs3z
July 2022
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!СРОЧНО!
решите уравнение
1)5,2-x+1,9=5,9-3x
2)2,9+4y=6y+13
3)8,6-(x+2,75)=1,85
!СРОЧНО!
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iamzatka
1. 5,2-х+1.9=5.9-3х
-х+3х=5.9-5.2-1.9
2х=-1.2 делим обе части на 2
Х=-.15
2. 4у-6у=13-2.9
-2у=10.1 делим на -2
У=-5.05
3. 8.6-(х+2.75)=1.85
8.6-х-2.75=1.85
-х=1.85-8.6+2.75
-х=-4 умножаем на -1
Х=4
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Report "!СРОЧНО!решите уравнение 1)5,2-x+1,9=5,9-3x2)2,9+4y=6y+133)8,6-(x+2,75)=1,85!СРО..."
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Answers & Comments
-х+3х=5.9-5.2-1.9
2х=-1.2 делим обе части на 2
Х=-.15
2. 4у-6у=13-2.9
-2у=10.1 делим на -2
У=-5.05
3. 8.6-(х+2.75)=1.85
8.6-х-2.75=1.85
-х=1.85-8.6+2.75
-х=-4 умножаем на -1
Х=4