0
Anonymous
The Abelian property or commutativity.
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3x+5y+8x+2y combine 3x and 8x to get 11x 11x+5y+2y combine 5y and 2y 11x+7y is the answer.
It is: 7x+10y
x=(-5y-1)/3
no
The Commutative Property of Addition.