Question

1)5(х-4)=х+8
2)9-7(х+3)=5-6х
​

Answer 1

Ответ:

5(x-4)=x+8

5x-20=x+8

4x=28

x=7

9-7(x+3)=5-6x

9-7x-21=5-6x

-6x+7x=-12-5

x=-17