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 or y, find the other variable value)
$\left[\begin{array}{lll}
\text {y-intercept } & \text {x-intercept} & \text {checkpoint}\\
& & \\
x=0 & y=0 & x=5\\
0=5y-15 & 3x=0-15 & 3(5)=5y-15\\
15=5y & x=-5 & 30=5y\\
y=3 & & y=6\\
(0,3) & (-5,0) & (5,6)
\end{array}\right]$
Plot the points and a line through them.