Answer
$y=9x-45$.
Work Step by Step
The given equation is
$\Rightarrow 9x-y=45$
Add $y$ to each side.
$\Rightarrow 9x-y+y=45+y$
Simplify.
$\Rightarrow 9x=45+y$
Subtract $45$ from each side.
$\Rightarrow 9x-45=45+y-45$
Simplify.
$\Rightarrow 9x-45=y$
Hence, the rewritten literal equation is $y=9x-45$.