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Y-(10/3) = (3/5)*(x-4) // - (3/5)*(x-4)
Y-((3/5)*(x-4))-(10/3) = 0
(-3/5)*(x-4)+Y-10/3 = 0
Y-3/5*(x-4)-10/3 = 0
(-3/5*3*(x-4))/3+(3*Y)/3-10/3 = 0
3*Y-3/5*3*(x-4)-10 = 0
3*Y-9/5*x-10+36/5 = 0
3*Y-9/5*x-14/5 = 0
(3*Y-9/5*x-14/5)/3 = 0
(3*Y-9/5*x-14/5)/3 = 0 // * 3
3*Y-9/5*x-14/5 = 0
3*Y-9/5*x-14/5 = 0 // - 3*Y-14/5
-9/5*x = -(3*Y-14/5) // : -9/5
x = (-(3*Y-14/5))/(-9/5)
x = -5/9*(14/5-(3*Y))
x = -5/9*(14/5-(3*Y))
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