Question

 -0.2(2х1 ) + 4.2(0.5х - 8х)

 

 

 

 

 

 

Answer 1

-0.2*(2х1) + 4.2*(0.5х - 8х)

-0.4х + (-31.5х)=-31.9х

Answer 2

-0.2*(2х1) + 4.2*(0.5х - 8х)

-0.4х + (-31.5х)=-31.9х

-31.9x=-31.9

x=-31.9:(-31.9)

x=1