By using slope formula
slope=(y-y1)/(x-x1)
hence slope will be (3-6)/(-6-(-8))= -3/2
by using one point form,(y-y1)=m(x-x1)
=> y-(-8)=(-3/2)(x-6)
=> 2(y+8)= -3x+18
=> 2y+16= -3x+18
=> 3x+2y-2=0
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