1) 7x+11=4x+2 2) 4 (5x-1) = 3x+13 3) 7x+3=4 (3x-2) + 1 4) 5 (3x-2) - 3 (6x+5) = -1 5) 3-4 (5x+2) - 3 (6x-5) = 2x 6) 8 (2x-1) - 2 (8x-3) = 2

1) 7x+11=4x+2

7x-4x=2-11

3x=-9 l / 3

x=-3

2) 4 (5x-1) = 3x+13

20 х-4=3 х+13

20 х-3 х=13+4

17 х=17

х=17:17

х=1

3) 7x+3=4 (3x-2) + 1

7 х+3=12 х-8+1

7 х-12 х=1-8-3

-5 х=-10

х=-10: (-5)

х=2

4) 5 (3x-2) - 3 (6x+5) = -1

15 х-10-18 х-15=-1

15 х-18 х=-1+15+10

-3 х=24

х=24: (-3)

х=-8

5) 3-4 (5x-2) - 3 (6x-5) = 2x

3-20 х+8-18 х+15=2 х

-20 х-18 х-2 х=-15-3-8

-40 х=-26

х=-26: (-40)

х=0.65

6) 8 (2x-1) - 2 (8x-3) = 2

16 х-8-16 х+6=2

16 х-16 х=2-6+8

0 х=4

х=решений нет

1) 7x+11=4x+2

7 х-4 х=-11+2

3 х=-9

Х=-9:3

х=-3. Ответ: х=-3

2) 4 (5x-1) = 3x+13

20 х-1=3 х+13

20 х-3 х=13-1

17 х=12

х = 12:17=12/17 (записывается дробью)

3) 7x+3=4 (3x-2) + 1

7 х+3=12 х-8+1

7 х-12 х=-8+1-3

- 5 х=-10

х=2

4) 5 (3x-2) - 3 (6x+5) = -1

15 х-10-18 х+15=-1

- 3 х+5=-1

- 3 х=-1-5

- 3 х=-6

Х=-6: (-3)

х=2

5) 3-4 (5x+2) - 3 (6x-5) = 2x

3-20 х+8-18 х-15=2 х

-20 х-18 х-2 х=-3-8+15

-40 х=4

х=-40:4

х=-10

6) 8 (2x-1) - 2 (8x-3) = 2

19 х-8-16 х+6=2

3 х-8+6=2

3 х=8-6+2

3 х=4

х=4:3

х=4/3=1 целая 4/3