Предмет: Математика, автор: pombas

2(5x-7)(1=x)=0

4*(8+7x)-x=8

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Автор ответа: omega05
0
4 * (8 +7х) - х = 8
32 + 28х -х =8
28 х - х = 8 - 32
27 х = -24
х = -24 :27 = - 8/9
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