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kimalik333
@kimalik333
August 2022
2
8
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-4/7(7/4х-2)=2,5(х-2)+8/7
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Vikshon
-4/7(7/4x-2)=2,5(x-2)+8/7
-x+8/7=25/10x-5+8/7
-x-25/10x=-5
-35/10x=-5
35/10x=5
x=7/10
x=1 3/7
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ПроПирожок
-x +8/7=2.5х-5+8/7
-х=2.5х-5
-х-2.5х=-5
-3.5х=-5
Х=5:35
Х= 5:35/10
Х=5*10/35
Х=10/7 = 1.42
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Answers & Comments
-x+8/7=25/10x-5+8/7
-x-25/10x=-5
-35/10x=-5
35/10x=5
x=7/10
x=1 3/7
-х=2.5х-5
-х-2.5х=-5
-3.5х=-5
Х=5:35
Х= 5:35/10
Х=5*10/35
Х=10/7 = 1.42