Question

Решите уравнение:

4/5 (8-2Х)=0,8 (Х-1)

Answer 1

0,8(8-2х)=0,8х-0,8

6,4-1,6х=0,8х-0,8

-1,6х-0,8х=-0,8-6,4

-2,4х=-7,2/(-2,4)

х=3

 

Answer 2

4/5(8-2х)=0,8(х-1)=0,8(8-2х)=0,8(х-1)

8-2х=х-1

9=3х

х=3