blueberrymuffin blueberrymuffin

02-06-2015
Mathematics

contestada

Justify each of your steps using number properties 2x+3y+2x-2y-3x

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ImpatientAngel ImpatientAngel

02-06-2015

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Аноним Аноним

04-06-2015

[tex]Use\ commutative\ property:a+b=b+a\\and\ associative\ property:(a+b)+c=a+(b+c)\\-------------------------\\2x+3y+2x-2y-3x=(2x+2x-3x)+(3y-2y)=\boxed{x+y}[/tex]

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