Answer
(a) $y=x+4$
(b) $slope=m=1$
(c) $y-intercept=b=4$
(d) See graph.
Work Step by Step
(a)
A line in slope-intercept form has the equation:
$y=mx+b$ ($m=slope$, $b=y-intercept$)
We put the equation into slope-intercept form:
$-x+y=4$
$y=x+4$
$y=1x+4$
(b) We see that $slope=m=1$
(c) We see that $y-intercept=b=4$
(d) See graph.