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Struchokgoroxa

Ответ:-2/3

Пошаговое объяснение:3/4(1/2*х+2/3) =3х+2 1/4

3/8х+1/2=3х+9/4

3/8х-3х=9/4-1/2

-2 5/8х=7/4

х=7/4:(-2 5/8)

х=-2/3

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