11. 3 (y-5) + 8=17

12. 5 (x+2) = 6 (2x+7)

13. 5 (x+3) = 8 (10-x)

14. 8 (9+2x) = 5 (2-3x)

15. 6 (x-3) - 10=2 (x+2)

16. 5 (x-1) + 20=4 (x-3)

17. 10y+2 (7y-2) = 5 (4y+3) + 3y

18. 8 (3z-2) - 13z=5 (12-3z) + 7z

19.1/3 (2x-3) = 4 1/6x

11. 3 (y-5) + 8=17

3y-15+8=17

3y=24

y=8

12. 5 (x+2) = 6 (2x+7)

5x+10=12x+42

-7x=32

x=4,57

13. 5 (x+3) = 8 (10-x)

5x+15=80-8x

13x=95

x=7,307

14. 8 (9+2x) = 5 (2-3x)

72+16x=10-15x

31x=-62

x=-2

15. 6 (x-3) - 10=2 (x+2)

6x-18-10=2x+4

4x=32

x=8

16. 5 (x-1) + 20=4 (x-3)

5x-5+20=4x-12

x=-27

17. 10y+2 (7y-2) = 5 (4y+3) + 3y

10y+14y-4=20y+15+3y

y=19

18. 8 (3z-2) - 13z=5 (12-3z) + 7z

24z-16-13z=60-15z+7z

19z=76

z=4