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tyukhteev96
@tyukhteev96
August 2022
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Решите уравнения:
а) 7x + 4,8= -6,4
б)2 2/11*(1/3x - 1/15)= -2,4
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Answers & Comments
Veronika5451
А) 7х=-6,4-4,8
7х=-11,2
х=-1,6
б)2(1/3х-1/15)=-24/10
2/3х-2/15=-12/5
15*2/3х-15*2/15=-15*12/5
5*2х-2=-3*12
10х-2=-36
10х=-36+2
10х=-34
х= -3,4
2 votes
Thanks 2
tyukhteev96
Сделай пж второе уравнение попонятней
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Answers & Comments
7х=-11,2
х=-1,6
б)2(1/3х-1/15)=-24/10
2/3х-2/15=-12/5
15*2/3х-15*2/15=-15*12/5
5*2х-2=-3*12
10х-2=-36
10х=-36+2
10х=-34
х= -3,4