Answer
$y=5-2x$.
Work Step by Step
The given equation is
$\Rightarrow 20=8x+4y$
Subtract $8x$ from each side.
$\Rightarrow 20-8x=8x+4y-8x$
Simplify.
$\Rightarrow 20-8x=4y$
Divide both sides by $4$.
$\Rightarrow \frac{20-8x}{4}=\frac{4y}{4}$
Simplify.
$\Rightarrow 5-2x=y$
Hence, the rewritten literal equation is $y=5-2x$.
