4-2(х-6)=9-х
4-2х+12=9-х
16-2х=9-х
-2х+х=9-16
-х=-7
х=7
ответ:7
4-2(x-6)=9-x
4-2x+12=9-x
-2x+x=9-4-12
x=-7
4-2(х-6)=9-х
4-2х+12=9-х
16-2х=9-х
-2х+х=9-16
-х=-7
х=7
ответ:7
4-2(x-6)=9-x
4-2x+12=9-x
-2x+x=9-4-12
x=-7