Решите уравнения

х+2-4 (х-2) = 5 (3-х) + 3

-9 (8-9 х) = 4 х+5

1-5 х=-6 х+8

2+3 х=-7 х-5

2-3 (2 х+2) = 5-4 х

4 (х-6) = 5

х-3-4 (х+1) = 5 (4-х) - 1

-1-10 х=-9 х+1

9-2 (-4 х+7) = 7

9 (х-6) = 4 х

2 х+2=-3

10 (х+4) = 9 х

1) х+2-4 (х-2) = 5 (3-х) + 3

x+2-4x+8=15-5x+3

x-4x+5x=15+3-2-8

2x=8

x=8|:2

x=4

2) - 9 (8-9 х) = 4 х+5

-72+81x=4x+5

81x-4x=5+72

77x=77

x=77|:77

x=1

3) 1-5 х=-6 х+8

-5x+6x=8-1

x=7

4) 2+3 х=-7 х-5

3x+7x=-5-2

10x=-7

x=-7|:10

x=-0,7

5) 2-3 (2 х+2) = 5-4 х

2-6x-6=5-4x

-6x+4x=5-2+6

-2x=9

x=9|:-2

x=-4,5

6) 4 (х-6) = 5

4x-24=5

4x=5+24

4x=29

x=29|:4

x=7,25

7) х-3-4 (х+1) = 5 (4-х) - 1

x-3-4x-4=20-5x-1

x-4x+5x=20-1+3+4

2x=26

x=26|:2

x=13

8) - 1-10 х=-9 х+1

-10x+9x=1+1

-x=2

x=2|:-1

x=-2

9) 9-2 (-4 х+7) = 7

9+8x-14=7

8x=7-9+14

8x=12

x=12|:8

x=1,5

10) 9 (х-6) = 4 х

9x-54=4x

9x-4x=54

5x=54

x=54|:5

x=10,8

11) 2 х+2=-3

2x=-3-2

2x=-5

x=-5|:2

x=-2,5

12) 10 (х+4) = 9 х

10x+40=9x

10x-9x=-40

x=-40