Explanation:
m = (y2-y1)/(x2-x1)
m= (-5-7)/(6--2)
m = -12/8
m = -3/2
y-b = m(x-a)
y-7 = -3/2(x--2)
y-7 = -3x/2 - 3
y = -3x/2 + 4 <-- Equation of line
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