Respuesta :

meghanbf

Combine like terms:

5a-7a=-2a

3b+4b=7b

-2a+7b

Hope this helps!!

alinakincsem

Answer:

[tex] - 2 a + 7 b [/tex]

Step-by-step explanation:

We are given the following expression and we are to simplify it:

[tex] 5 a + 3 b - 7 a + 4 b [/tex]

Re-arranging this expression by writing the like terms together to get:

[tex] 5 a - 7 a + 3 b + 4 b [/tex]

Now simplifying it by adding and subtracting the terms to get:

[tex] - 2 a + 7 b [/tex]

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