Mathematics, 12.07.2019 00:40, ana7496

Agirl scout has (5x-12) boxes of cookies and sells (3x+18) of them. write an expression to represent the amount of boxes she has left. also can you show me the work that gets this answer not just the answer

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Agirl scout has (5x-12) boxes of cookies and sells (3x+18) of them. write an expression to represent...