Page 2 - 12.3-LN-Expressions with variables and use of expressions in real life
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  Thus, the number of diagonals we can draw from one vertex of a polygon of n
                       sides is (n – 3).
                     Converting Statement into Algebraic Expression and Vice-
                       versa:

                      A statement can be converted into algebraic expression in the following way.








































                     An expression can be converted into statement in the following way.
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