5x + 4y = 20
4y = -5x + 20
y = (-5/4)x + 5
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4y= -3x + 12 y = -3/4x + 3 The perpendicular slope is 4/3
It's the equation of a straight line with a slope of -1.5 and a y-intercept of -3.
2
2x-4y=4 -4y=-2x+4 y=1/2x-1 Slope is 1/2 (.5)
(4, 8)