tyryyt2
contestada

1. X - 9 = 20

2. 2x - 5 = 25


3. Y + 8 = 12


4. 6y + 6 =18


5. 4X = 16


6. X + 14 = - 7


7. Y/-7 = -9


8. 11x = 132


9. X - 9 = -15


10. 4y - 7 = 21


11. 12y = 72


12. X/2 - 9 = 5


13. Y - (-9) = 14