Answer
$y=\dfrac{2}{5}x+4$
Work Step by Step
RECALL:
The slope-intercept form of a line's equation is $y=mx+b$ where m = slope and b = y-intercept.
The given line has:
$m=\dfrac{2}{5}$
$b=4$
Thus, the equation of the line is:
$y=\dfrac{2}{5}x+4$