# Andrew did not provide enough information!

Geometry Level 3

Andrew was playing with a line having the equation: $$ax+by+c=0$$ . He reflected a certain point having co-ordinates $$(m,n)$$ on that line and found that the co-ordinates of the new point were $$(n,m)$$.

Andrew was intrigued by this and challenged his friends to find the value of $$a+b$$ .So, what is the value of $$a+b$$?

Clarification: The point $$(m,n)$$ does not lie on Andrew's line.

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