Respuesta :

Answer:

C. 3x + 2(2x + 3) = 9

Step-by-step explanation:

We are given the following relation:

y = 2x + 3

And we want to substitute into:

3x + 2y = 9.

So

[tex]3x + 2(2x + 3) = 9[/tex]

Which is given by option C.

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