Respuesta :

Answer:

1. 2x

2. -8n - 8

3. 13v - 4

Step-by-step explanation:

1. Put them nto standard form, it makes adding and subtracting easier

[tex]9x - 7x\\\\-8n - 5 - 3\\ 9v + 4v - 5 + 1[/tex]

2x

-8-8n

-4+13v

hope this helps!
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