Решите уравнение

1) 2 (7+9x) = - 6x+2

2) 6 (5-3x) = - 8x-7

3) 6 (9+4x) = 4x-4

4) 4 (2-3x) = - 7x+10

5) - 4 (5-4x) = x+1

2 (7+9x) = - 6x+2

14+18 х=-6 х+2

24 х=-12

х=-12:24

х=-0.5

6 (5-3x) = - 8x-7

30-18 х=-8 х-7

-10 х=-37

х=3.7

6 (9+4x) = 4x-4

54+24 х=4 х-4

28 х=-58

х=минус2 целых 1 двадцать девятая

4 (2-3x) = - 7x+10

8-12 х=-7 х=10

-5 х=2

х=0.4

-4 (5-4x) = x+1

-20+16 х=х=1

15 х=21

х=1.4