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x in (-oo:+oo)
y+8 = (3/4)*(x-1) // - (3/4)*(x-1)
y-((3/4)*(x-1))+8 = 0
(-3/4)*(x-1)+y+8 = 0
y-3/4*(x-1)+8 = 0
y-3/4*(x-1)+8 = 0
y-3/4*x+3/4+8 = 0
y-3/4*x+35/4 = 0
y-3/4*x+35/4 = 0
y-3/4*x+35/4 = 0 // - y+35/4
-3/4*x = -(y+35/4) // : -3/4
x = (-(y+35/4))/(-3/4)
x = 4/3*(y+35/4)
x = 4/3*(y+35/4)
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