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

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asked Nov 15, 2016 109k views

2 votes

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

Mathematics
middle-school

Ararog asked

by Ararog

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6 votes

Have a good homeworks ;)

Justify each of your steps using number properties 2x+3y+2x-2y-3x-example-1

Pvd answered Nov 17, 2016

by Pvd

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5 votes

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

Cobey answered Nov 21, 2016

by Cobey

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