Question

Срочно! Подробно!!! ​

Answer 1

Ответ:

3(2х+9)-2(х-2)=36

6х+27-2(х-2)=36

6х+27-2х+4=36

4х+27+4=36

4х+31=36

4х=36-31

4х=5

х=4/5