Answer
9 - 2x
Step-by-step explanation:
since there is no equal symbol in this equation, you can only simplify it.
[tex]20-2x-11[/tex]
first combine like terms:
[tex](20-11)-2x[/tex]
then subtract 11 from 20, this will give you 20-2x-11 in its simplest form.
[tex]9 - 2x\\[/tex]
