Respuesta :

Answer:

7x - 6 - y

Step-by-step explanation:

Simplify:

  • [x - 3(y - 2x) + 7y - 2(2y + 3)] - y       => distribute
  • [x - 3y + 6x + 7y - 4y - 6] - y             => combine like terms
  • [7x - 6] - y                                         => remove brackets
  • 7x - 6 - y

-Chetan K

Number 8. 7x-y-6

Number 9. 7y-1

Number 10. -31a+13b+6

:)