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y+9 = (6/7)*(x-2) // - (6/7)*(x-2)
y-((6/7)*(x-2))+9 = 0
(-6/7)*(x-2)+y+9 = 0
y-6/7*(x-2)+9 = 0
y-6/7*(x-2)+9 = 0
y-6/7*x+12/7+9 = 0
y-6/7*x+75/7 = 0
y-6/7*x+75/7 = 0
y-6/7*x+75/7 = 0 // - y+75/7
-6/7*x = -(y+75/7) // : -6/7
x = (-(y+75/7))/(-6/7)
x = 7/6*(y+75/7)
x = 7/6*(y+75/7)
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