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Answer please 9 - (-4).
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Answer please 9 - (-4).

User LeSchwambo
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it’s 13 because when there is a in front of an expression in parentheses, change the sign of each term in the expression so the - would turn into a + and it would be 9+4 basically so it’s 13
User Jezebel
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4 votes
answer: 13
explain: at the like terms
User Alexmherrmann
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