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Mathematical phrases:                               Algebraic Expressions:
1.nine increased by a number x         -                     9+x
2.five more than twice a number        -                    2n+5
3.product of a number and six            -                     6n
4.three times a number increased
   by seven                                          -                    3a+7
5.product of nine and a number,
   decreased by six                             -                     9m-6                                        
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