Предмет: Алгебра, автор: sofiakerim10

Помогите пожалуйста решить уравнение!!!!!​

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Ответы

Автор ответа: ildar502020
1

Ответ:

Объяснение:

(3x-5)/2 + (8x-12)/7=9;

7(3x-5) +2(8x-12) = 14*9;

21x-35+16x-24=126;

37x=185;

x=185/37;

x=5.

-----------

(21-4x)/9 - (8x+15)/3 = 2;

21-4x-24x-45=18;

-28x=42

x=-1.5;


sofiakerim10: спасибо
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