Respuesta :
Answer:
-11 + 6y
Explanation:
First you need to group like terms.
-7x - 2x + 7x - 9x + 6y
Then you need to combine the similar elements.
-7x - 2x + 7x - 9x = -11x
Then the only two numbers you have left are -11x and 6y.
Hope this helped!
Have a good day!