Hey there!☺
[tex]Answer:\boxed{90x+10y}[/tex]
[tex]Explanation:[/tex]
[tex]89x+5y+1x+5y[/tex]
In our first step, we will simplify:
[tex]89x+5y+x+5y[/tex]
Now combine like terms:
[tex](89x+x)+(5y+5y)\\90x+10y[/tex]
90x+10y is your answer.
Hope this helps!☺