Предмет: Алгебра, автор: angelinkkaa

ДАЮ 100 БАЛЛОВ!!

РЕШИТЕ УРАВНЕНИЕ (3х + 1)/5 + (2х - 3)/3 = 3

Ответы

Автор ответа: maranafil51
1

Ответ:

(3х+1)/5 + (2х-3)/3 =3 | ×15

3(3+1)+5(2х-3)=45

9х+3+10х-15=45 (розкриваємо дужки)

19х-12=45 (зводимо подібні доданки)

19х= 45+12

19х=57

х= 57÷19

х=3

angelinkkaa: спасибо большое
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