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Find the value of n

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Find the value of n in each expression. Then name the property used 12 + 7 = 12 + n
asked Nov 6, 2013 in ALGEBRA 1 by payton Apprentice
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1 Answer

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Given that 12 + 7 = 12 + n

12 + n = 12 + 7 (commutative property of addition)

n = 12 + 7 - 12

n = 7

answered Nov 6, 2013 by jouis Apprentice

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