# How to make linear equation of a line from given line segment?

*You are give a line segment with the end point (x1,y1) and (x2,y2). how can we make a linear equation of line. ideally any line can be represented as ax + by = c. how can we calculate value of a,b and c from give x1,y1,x2,y2 points.*

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The value of a,b and c can be calculated as A = y2-y1 B = x1-x2 C = A*x1+B*y1

http://wikistack.com/line-segment-intersection/ Read the link, Basically the A ,B and C are being calculated by two point form of a line equation.

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