The line equation in slope-intercept form is
,
where m is the slope and b is the y-intercept.
\Calculate the slope,
\m = 
=
(Substitute
)
=
(Multiply:
)
=
. (Divide:
)
The line crosses the y-axis at (0, 2). So the y-intercept is 2.
\Substitute m = 1 and b = -4 in slope-intercept form line equation.
\
(Multiply:
)
The slope-intercept form of the line equation is
.