Respuesta :

Chegsnut36

Answer:

[tex]7x^2 - 3y + 9[/tex]

Step-by-step explanation:

Hey there!

Well to solve the given,

2y - y + 7 - 1 + 3 + 7x^2 - 4y

We need to combine like terms

[tex]2y - y + 7 - 1 + 3 + 7x^2 - 4y\\7x^2 - 3y + 9\\[/tex]

Hope this helps :)

jsueing8470

Answer:

7x^2 - 3y + 9

Step-by-step explanation:

   2y - y + 7 - 1 + 3 + 7x^2 - 4y          [Combine like terms]

= (2y - y - 4y) + (7- 1 + 3) + 7x^2

= -3y + 9 + 7x^2                 [Order the terms from most exponents to least]

= 7x^2 - 3y + 9

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