If (x + y) +(2(x + y) + 3) = 9, what is x + yı?

Answer:
B
Step-by-step explanation:
[tex]x^{2} \sqrt{x} \frac{x}{y} \lim_{n \to \infty} a_n \int\limits^a_b {x} \, dx \leq x^{2} \sqrt{x}[/tex]