Автор - krakadil

-2(3,1x-1)+3(1,2x+1)=-14,5

Ответ

Автор - BCFsasha01
-6,2х+2+3,6х+3=-14,5
-6,2х+3,6х=-14,5-2-3
-2,6х=-19,5
х=7,5

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