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Example
                       5p + 2 = 17

                          Variable(p)  P=1              P=2            P=3
                          Equation      LHS =7          LHS =12        LHS= 17
                          (5p + 2       RHS= 17         RHS = 17       RHS= 17
                          =17)          (does not       (does not      (satisfied)
                                        satisfy)        satisfy)
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