Предмет: Математика, автор: plavnikov222

Найдите корень уравнения 5(0,3x+6)-4(0,2x-7)=-5

0,5(3x-4)+4,4=0,9(4x-2)

Срочно

Ответы

Автор ответа: fanurs868

1

Ответ:

Пошаговое объяснение:

5(0,3x+6)-4(0,2x-7)=-5

1,5x+30-0,8x+28=-5

1,5x-0,8x=-5-30-28

0,7x=-63

x=-90

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