10 – 2(7 - х ) = 4(2х - 7) ;
10-14+2х=8х-28 ;
2х-8х=-28-10+14 ;
-6х=-24 ;
х=-24÷6 ;
х=4.
10-2(7-x)=4(2x-7)
10-14+2x=8x-28
-4+2x=8x-28
2x-8x=-28+4
-6x=-24
x=4
10 – 2(7 - х ) = 4(2х - 7) ;
10-14+2х=8х-28 ;
2х-8х=-28-10+14 ;
-6х=-24 ;
х=-24÷6 ;
х=4.
10-2(7-x)=4(2x-7)
10-14+2x=8x-28
-4+2x=8x-28
2x-8x=-28+4
-6x=-24
x=4