Respuesta :

taymiller

7. x = -10/3 or -3 1/3

8. x = 12

9. x = 7/3 or 2 1/3

10. x = 31.2, 156/5, or 31 1/5

11. x = 38.89, 38 8/9, or 350/9

12. x = -6