Respuesta :

Answer:

13x + 3

Step-by-step explanation:

Since there is no value on the left, you just have to simplify this. You always add similar variables together, and the constant is a different value, so 4x + 9x  would result in 13x. 13x + 3 would be the correct simplified answer.

Answer:

13x+3

Step-by-step explanation:

4x+9x+3

You do not add 13x to 3 because 3 does not have an x

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