12 х+2х+2 х+2-10х=38
12x+24-10x=38
2x=38-24
2x=14
x=14/2
x=7
12 х+2х+2 х+2-10х=38 12x+24-10x=38 2x=38-24 2x=14 x=14/2 x=7
12 х+2х+2 х+2-10х=38
12x+24-10x=38
2x=38-24
2x=14
x=14/2
x=7
12 х+2х+2 х+2-10х=38 12x+24-10x=38 2x=38-24 2x=14 x=14/2 x=7