Hello! I think I have this right but I'm not sure

Explanation
Given that the lengths of the two sides of a parallelogram are 5x+4 and 2x+3y. The perimeter of the parallelogram is given as
[tex]\begin{gathered} p=2(5x+4)+2(2x+3y) \\ open\text{ parenthesis} \\ p=10x+4x+6y+8 \\ Add\text{ similar elements} \\ p=14x+6y+8 \end{gathered}[/tex]Answer: Option d