1) 4x+5 (3-2x) = 5-11x 2) 19-2 (3x+8) = 2x-37 3) 8x+3 (7-2x) = 4x+3 4) 23-4 (3x+8) = 1-17x

1) 4 х+5 (3-2 х) = 5-11 х

4 х+15-10 х=5-11 х

4 х-10 х+11 х=5-15

5 х=-10

х=-2

2) 19-2 (3 х+8) = 2 х-37

19-6 х-16=2 х-37

-6 х-2 х=-37-19+16

-8 х=-40

х=5

3) 8 х+3 (7-2 х) = 4 х+3

8 х+21-6 х=4 х+3

8 х-6 х-4 х=3-21

-2 х=-18

х=9

4) 23-4 (3 х+8) = 1-17 х

23-12 х-32=1-17 х

-12 х+17 х=1-23+32

5 х=10

х=2

1) 4x+5 (3-2x) = 5-11x

4x+15-10x=5-11x

4x-10x+11x=5-15

5x=-10

x=-10:5

x=-2

Ответ:-2

2) 19-2 (3x+8) = 2x-37

19-6x-16=2x-37

-6x-2x=-37-19+16

-8x=-40

x=-40: (-8)

x=5

Ответ: 5

3) 8x+3 (7-2x) = 4x+3

8x+21-6x=4x+3

8x-6x-4x=3-21

-2x=-18

x=-18: (-2)

x=9

Ответ: 9

4) 23-4 (3x+8) = 1-17x

23-12x-32=1-17x

-12x+17x=1-23+32

5x=10

x=10:5

x=2

Ответ: 2