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Y-3 = (-3/4)*(x-5) // - (-3/4)*(x-5)
Y-((-3/4)*(x-5))-3 = 0
(3/4)*(x-5)+Y-3 = 0
3/4*(x-5)+Y-3 = 0
3/4*(x-5)+Y-3 = 0
Y+3/4*x-15/4-3 = 0
Y+3/4*x-27/4 = 0
Y+3/4*x-27/4 = 0
Y+3/4*x-27/4 = 0 // - Y-27/4
3/4*x = -(Y-27/4) // : 3/4
x = (-(Y-27/4))/3/4
x = 4/3*(27/4-Y)
x = 4/3*(27/4-Y)
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