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Find the slope of the given line
, the slope is
Perpendicular lines are lines whose slopes are negative reciprocals of one another,
then the slope of the line that we have to find
The point-slope form of a line uses a point (x1,y1) and a slope (m), to write the equation of a line. This form is given by the equation:
Point (-8,7) substitue into formula
multiply by 4