Предмет: Математика, автор: vitaleto24

5,6-3(2-2/5x)=0,4(4x+1)
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Автор ответа: lywehhhhh
0

5.6 - 3(2 - \frac{2}{5} x) = 0.4(4x + 1)

56 - 30(2 - \frac{2}{5} x) = 4(4x + 1)

12x - 56 - 60 = 16x + 4

12x - 4 = 16x + 4

12x - 16x = 4 + 4

- 4x = 8

x = 8 \div ( - 4)

x = - 2

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