Автор - fatimasharifyanova

-1/7 (0,7x-3 1/2)+0,5 (1 1/3x-2,6)

Ответ

Автор - 21fizika

-1/7(7/10*х-7/2)+1/2*(4/3*х-2 3/5)=

-1/10*х+1/2+2/3*х-13/10=

х(20/30-3/30) + (0,5-1,3)=

17/30 * х - 0,8.

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