Решите уравнение 1) 3х-2=7. 2)4х+3=-2х. 3)6+5х=-2-1. 4)2(х-3)=3х. 5)9+2(3-4х)=2х-3

3х-2=7
3х=7+2
3х=9
х=9:3
х=3
4х+3=-2х
4х+2х=-3
6х=-3
х=-3:6
х=-1/2

6+5х=-2-1
6+5х=-3
5х=-3-6
5х=-9
х=-9:5
х=-9/5=-1 4/5

2(х-3)=3х
2х-6=3х
2х-3х=6
х=-6

9+2(3-4х)=2х-3
9+6-8х=2х-3
8х+2х=3+6+9
10х=18
х=18/10=1 4/5

1) 3x-2=7
3x=7+2
X=9:3
X=3

2)4x+3=-2x
4x+2x=-3
6x=-3
X=6:(-3)
X=-2

3)6+5x=-2-1
5x=-2-1-6
5x=-9
X=-9:5
X=1,2

4)2(x-3)=3x
2x-6=3x
2x-3x=6
-1x=6
X=6:(-1)
X=-6

5)9+2(3-4x) =2x-3
9+6-8x=2x-3
-8x-2x=-3-9-6
-10x=-18
X=-18:(-10)
X=1,8