1) 8 (3-2x) - (x-2) = 9

2) 5x-6 (2x+7) = 13 - (x+1)

1) 8 (3-2x) - (x-2) = 9

24-16x - (x-2) - 9=0

24-16x-x+2-9=0

24-17x+2-9=0

26-17x-9=0

17-17x=0

x = - (-17) / 17

x=17/17

x=1

2) 5x-6 (2x+7) = 13 - (x+1)

5x - (12x+42) - 13+x+1=0

5x-12x-42-13+x+1=0

-7x-42-13+x+1=0

-7x-55+x+1=0

-6x-55+1=0

-6x-54=0

x=-54/6

x=-9

1)

...

24-16x-x+2=9

17-17 х=0

-17 х=-17

x=1

2)

...

5 х-12x-42=13-х-1

5x-12 х+х=-1+42+13

-7x+х=41+13

-6x=54

x=-9