x-(2x-(4x+3))= x-(2x-4x-3)=x-2x+4x+3=3x+3
2)
8m-(4n-(11m+3n))=8m-(4n-11m-3n)=8m-(n-11m)=8m-n+11m=19m-n
х-(2х-(4х+3)) =х-2х+4х+3=3х+3
8m-(4n-(6m+(3n+5m)))=
8м-4н+6м+3н+5м=19м-н
x-(2x-(4x+3))= x-(2x-4x-3)=x-2x+4x+3=3x+3
2)
8m-(4n-(11m+3n))=8m-(4n-11m-3n)=8m-(n-11m)=8m-n+11m=19m-n
х-(2х-(4х+3)) =х-2х+4х+3=3х+3
8m-(4n-(6m+(3n+5m)))=
8м-4н+6м+3н+5м=19м-н