2(x-3)=2х-6
-2(x-3)= -2х+6
2x+3x= 5х
- 2x-3x =-5х
2x-3x =-х
-2x+3x =х
4(x-5)=3x ; 4х-20=3х; 4х-3х=20; х=20
6(x+2)=18 ; 6х+12=18; 6х=6; х=1
2(x+3)=3(x-4) ; 2х+6=3х-12; 2х-3х=-12-6; -х=-18; х=18.
-(3x+1)=2x; -3х-1=2х; -3х-2х=1; -5х=1; х=-1/5
2(x-3)=2х-6
-2(x-3)= -2х+6
2x+3x= 5х
- 2x-3x =-5х
2x-3x =-х
-2x+3x =х
4(x-5)=3x ; 4х-20=3х; 4х-3х=20; х=20
6(x+2)=18 ; 6х+12=18; 6х=6; х=1
2(x+3)=3(x-4) ; 2х+6=3х-12; 2х-3х=-12-6; -х=-18; х=18.
-(3x+1)=2x; -3х-1=2х; -3х-2х=1; -5х=1; х=-1/5