1)-0,8х-2,6х+5=-6
-3,4х=-11
3,4х=11
34х=110
х=110/34
х=3
2)5,6х+3х-1/5(9х-11)=5
8,6х-1,8х+2,2=5
6,8х=2,8
68х=28
х=
3)5(3х-4)=6х-5
15х-20=6х-5
9х=15
1) -1,8x=-11
x=11/1,8
x=110/18
2)
5,6х+3х-1/5(9х-11)=5
х=2,8/6,8=28/68=14/34=7/17
3)15х-20=6х-5
x=15/9=5/3
1)-0,8х-2,6х+5=-6
-3,4х=-11
3,4х=11
34х=110
х=110/34
х=3
2)5,6х+3х-1/5(9х-11)=5
8,6х-1,8х+2,2=5
6,8х=2,8
68х=28
х=
3)5(3х-4)=6х-5
15х-20=6х-5
9х=15
х=
1) -1,8x=-11
x=11/1,8
x=110/18
2)
5,6х+3х-1/5(9х-11)=5
8,6х-1,8х+2,2=5
6,8х=2,8
х=2,8/6,8=28/68=14/34=7/17
3)15х-20=6х-5
9х=15
x=15/9=5/3