Answer
See graph
.
Work Step by Step
Find the intercepts (set x=0, set y=0)
and a check point (set a value for x, find y)
$\left[\begin{array}{lll}
\text {y-intercept } & \text {x-intercept} & \text {checkpoint}\\
& & \\
x=0 & y=0 & x=3\\
0+y=4 & 2x+0=4 & 2(3)+y=4\\
y=4 & x=2 & y=4-6\\
& & y=-2\\
(0,4) & (2,0) & (3,-2)
\end{array}\right]$
Plot the points and a line through them.