Answer:
[tex] = > 2x + 8y + 3x + y \\ \\ = > 5x + 9y[/tex]
5x + 9y
Step-by-step explanation:
Combine like terms (terms with the same variables as well as the same amount of variables).
2x + 3x + 8y + y = (2x + 3x) +(8y + y)
Combine:
2x + 3x = 5x
8y + y = 9y
5x + 9y is your answer.
~