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Помогите!! Пожалуйста нуб в уравнениях. 0.8x-(0.7+0.36)=7.1 5(x-10)-3(x+25)=2*(0.3x+1)
Ответы 2
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1) Если я правильно понял, то0,8x - 0,7 - 0,36 = 7,10,8x = 7,1+0,7+0,360,8x = 8,16x= 8,16 / 0,8x = 10,22) 5x-50-3x-75=0,6x+21,4x =127x= 127/1,4
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Автор:
richard43 - 6 лет назад
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0
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0.8x-(0.7+0.36)=7.1
0,8х-1,06=7,1
0,8х=7,1+1,06
0,8х=8,16
х=8,16/0,8=10,2
5(x-10)-3(x+25)=2*(0.3x+1)
5х-50-3х-75-0,6х-2=0
1,4х=127
х=127/1,4
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Автор:
monicafleming - 6 лет назад
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0
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