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sanikita73
@sanikita73
July 2022
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Найдите сумму корней уравнения 27 – 5|2х +1| = – 3.
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lovescienses
1) 27-5(х+1)= -3
27-5х-5= -3
5х=25
x=25:5=5
2)27-5*(-(x+1)=-3
27-5(-x-1)=-3
27+5x+5=-3
5x=-35
х=-35:5= -7
Найдём сумму корней уравнения
5+(-7)=5-7=-2
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Answers & Comments
27-5х-5= -3
5х=25
x=25:5=5
2)27-5*(-(x+1)=-3
27-5(-x-1)=-3
27+5x+5=-3
5x=-35
х=-35:5= -7
Найдём сумму корней уравнения
5+(-7)=5-7=-2