Автор - lizalili5

8x-8=20-6x. 4,7-1,1x=0,5x.

Ответ

Автор - MashaBaggins
1) 8x-8=20-6x
8x+6x=20+8
14x=28
x=2
2) 4,7-1,1x=0,5x
-1,1x-0,5x=-4,7
-1,6x=-4,7
x=2,9375

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