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y-100 = (-19/2)*(x+0) // - (-19/2)*(x+0)
y-((-19/2)*(x+0))-100 = 0
(19/2)*x+y-100 = 0
19/2*x+y-100 = 0 // - y-100
19/2*x = -(y-100) // : 19/2
x = (-(y-100))/19/2
x = 2/19*(100-y)
x = 2/19*(100-y)
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