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Use the expression (8x + 2) + (-9x + 7) a. find the sum b. explain how you know when to combine terms with variables
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Use the expression (8x + 2) + (-9x + 7)

a. find the sum
b. explain how you know when to combine terms with variables

User Garcianavalon
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1 Answer

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combine like terms, you would get -1+9 which your answer would be 8
User Rodrigo Quesada
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