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Автор - markodiazok2018

Пож пож пож пож пож пож пож пож пож пож пож быстро надо {спасибо}....

Ответ

Автор - tatsach

Ответ:

Пошаговое объяснение:

1) - 1,4х+8,4=28х+8,4

-1,4х-28х=8,4-8,4

-29,4х=0

Х=0:(-29,4)

Х=0

3) х+2/5-1/3х+2/5=8/5

х-1/3х=8/5-2/5-2/5

2/3х=4/5

Х=4/5*3/2

Х=6/5=1 1/5

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