1.3(х-2)-5(х+3)=0 2.6х-3(х-1)=2+5х 3.5-2х=1-(х-2) 4.14-(4+2х)=1+х 5.3-х=1-7(х=1) 6.2-5(х-1)=1+3х

1.
3(х-2)-5(х+3)=0
3x - 6 - 5x - 15 = 0
-2x - 21 = 0
-2x = 21
x = -21:2
x = -10,5

2.
6х-3(х-1)=2+5х
6x - 3x + 3 = 2 + 5x
3x + 3 = 2 + 5x
3x - 5x = 2 - 3
-2x = -1
x = 1 : 2
x = 0,5

3.
5-2х=1-(х-2)
5 - 2x = 1 - x + 2
5 - 2x = 3 - x
-2x + x = 3 - 5
-x = -2
x = 2

4.
14-(4+2х)=1+х
14 - 4 - 2x = 1 + x
10 - 2x = 1 + x
x + 2x = 10 - 1
3x = 9
x = 9 : 3
x = 3

5.
3-х=1-7(х=1)
3 - x = 1 - 7x - 7
3 - x = -6 - 7x
-x + 7x = -6 -3
6x = -9
x = -9:6
x = -1,5

6.
2-5(х-1)=1+3х
2 - 5x + 5 = 1 + 3x
7 - 5x = 1 + 3x
3x + 5x = 7 - 1
8x = 6
x = 6:8
x = 0,75