Answer:
[tex]n=3.875[/tex]
Step-by-step explanation:
First, we can expand the brackets:
[tex]-(5n-9)+3n=-2(5n-20)[/tex] (given)
[tex]-5n+9+3n=-10n+40[/tex]
[tex]-2n+9=-10n+40[/tex] (combine like-terms)
[tex]8n=31[/tex]
[tex]n=3.875[/tex]
Hope this helps :)
