4(1,2x0,3)+5(1,2-x) = 4+ 2(0,4-0,1x)

Ответ:

4(1,2x0,3)+5(1,2-x) = 4+ 2(0,4-0,1x)

4,8×0.36+6-5х=4+0.8-0.2х

1,44+6-5х=4.8-0.2х

7.44-5х=4,8-0.2х

7,44-5х+0.2х=4,8

-5х+0.2х=4,8-7.44

-4.8х=-2.64

х=2,64÷4,8

х=0.55