Question

I need help from 6-12 pls help me I am really desperate!

Answer 1

6. 180= (90+30)/5 x=12

7. 180= (33+29)/2 x=31

8. 180= (132+21)/3 x=51

9. 180= 4x x=45

10.180= (x-2)+x+72 x=55

11.180= 20x x=9

12.180= (3.5x+2.5x)+90 x=15