Предмет: Математика, автор: anriypavlosiuk

знайдіть корінь рівняння: 1) 0,6 - 1,6 (х-4) =3 (7 - 0,4х) срочно)

Ответы

Автор ответа: GolovolomkaTV

Ответ:

0,6 - 1,6 (х-4) =3 (7 - 0,4х)

0,6-1,6x+6,4=21-1,2x

-1,6x+1,2x=21-6,4-0,6

-0,4x=14

x=1,4:(-0,4)

x=35

Автор ответа: ulianka39885

Ответ:

-35

Пошаговое объяснение:

0,6 - 1,6( x-4)=3(7-0,4)

0,6-1,6x+6,4=21-1,2x

7-1,6x=21-1,2x

-1,6x+1,2=21-7

-0,4=14

x=-35

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