Find the Slope-Intercept Form of the Equation of a Line $x+y=12$

Multiple Choice

Find the slope-intercept form of the equation of a line parallel or perpendicular to the given line and passing through the given point.
-Parallel to $x+y=12$ , through $(2,7)$

A) $y=- x-9$
B) $y=\mathrm{x}+5$
C) $y=-\mathrm{x}+9$
D) $y =\mathrm{x}-5$