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Simplify: $(p + 5) - (p - 9) + (p - 7)$

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$p + 7$

$2 p + 5$

$2 p + 7$

$p + 5$

answer is B.

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Detailed Solution

$(p + 5) - (p - 9) + (p - 7)$

$= p + 5 - p + 9 + p - 7$

Collecting the like terms together, we get

$= (p - p + p) + (5 + 9 - 7)$

$= p + 7$

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