SOLUTION: Hello I was wondering if you could help me with my algebra like for example 7de+8df-2de+df I know how to work it out I'm just not sure if you put a + or - in the answer

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Question 404867: Hello I was wondering if you could help me with my algebra like for example 7de+8df-2de+df I know how to work it out I'm just not sure if you put a + or - in the answer
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