Odpowiedź :
1)
[tex]3(2x-y)-2(x-y)=\\\\=6x-3y-2x+2y=\\\\=6x-2x-3y+2y=\boxed{4x-y}[/tex]
2)
[tex]2(x+y)-(4x+y)=\\\\=2x+2y-4x-y=\\\\=2x-4x+2y-y=\boxed{-2x+y}[/tex]
3(2x-y)-2(x-y) = 6x-3y-2x+2y = 4x-y
2(x+y)-(4x+y) = 2x+2y-4x-y=-2x+y
1)
[tex]3(2x-y)-2(x-y)=\\\\=6x-3y-2x+2y=\\\\=6x-2x-3y+2y=\boxed{4x-y}[/tex]
2)
[tex]2(x+y)-(4x+y)=\\\\=2x+2y-4x-y=\\\\=2x-4x+2y-y=\boxed{-2x+y}[/tex]
3(2x-y)-2(x-y) = 6x-3y-2x+2y = 4x-y
2(x+y)-(4x+y) = 2x+2y-4x-y=-2x+y