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y+3 = (5/7)*x+25/7 // - (5/7)*x+25/7
y-((5/7)*x)-(25/7)+3 = 0
(-5/7)*x+y-25/7+3 = 0
y-5/7*x-4/7 = 0 // - y-4/7
-5/7*x = -(y-4/7) // : -5/7
x = (-(y-4/7))/(-5/7)
x = -7/5*(4/7-y)
x = -7/5*(4/7-y)
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