а) -8х+(4+3х)=10-х -8х+4+3х=10-х -8х+3х+х=10-4 -4х=6 -х=6/4 -х=1,5 х=-1,5б) 1,3х-2-(3,3х+5)=2х+1 1,3х-2-3,3х-5=2х+1 1,3х-3,3х-2х=1+5+2 -4х=8 -х=8/4 -х=2 х=-2
-8х+4+3х=10-х
-8х+3х+х=10-4
-4х=6
-х=6/4
-х=1,5
х=-1,5
б) 1,3х-2-(3,3х+5)=2х+1
1,3х-2-3,3х-5=2х+1
1,3х-3,3х-2х=1+5+2
-4х=8
-х=8/4
-х=2
х=-2
а) -8х+(4+3х)=10-х
-8х+4+3х=10-х
-8х+3х+х=10-4
-4х=6
-х=6/4
-х=1,5
х=-1,5
б) 1,3х-2-(3,3х+5)=2х+1
1,3х-2-3,3х-5=2х+1
1,3х-3,3х-2х=1+5+2
-4х=8
-х=8/4
-х=2
х=-2