х+3=3х-7
х-3х=-7-3
-2х=-10
х=10:2
х=5
3-х=1+х
-х-х=1-3
-2х=-2
х-1
7х+2=3х-7
7х-3х=-7-2
4х=-9
х=-2,25
5х-8=3х-8
5х-3х=-8+8
2х=0
х=0
х+3=3х-7;
-2x = - 10
x = 5
- 2x = - 2
x= 1
7x-3x =-7-2
4x =- 9
x= - 2.25
5x-3x=-8+8
2x=0
x=0
х+3=3х-7
х-3х=-7-3
-2х=-10
х=10:2
х=5
3-х=1+х
-х-х=1-3
-2х=-2
х-1
7х+2=3х-7
7х-3х=-7-2
4х=-9
х=-2,25
5х-8=3х-8
5х-3х=-8+8
2х=0
х=0
х+3=3х-7;
-2x = - 10
x = 5
3-х=1+х
- 2x = - 2
x= 1
7х+2=3х-7
7x-3x =-7-2
4x =- 9
x= - 2.25
5х-8=3х-8
5x-3x=-8+8
2x=0
x=0