# If (x+y)=8a,then(x+y)+z=8a+z,what property of numbers is this?

2
by charmainerodri

2015-05-25T17:31:32+08:00

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This type of property is A.P.E simply addition property of equality. Hope this helps =)
2015-05-25T19:29:10+08:00

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This is actually a property of equality which is the Addition Property of Equality which means that if you add a value to both sides of the equation, the equality will hold.