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OpenStudy (anonymous):
Which of the following is a simplified form of the expression 7 ( x + 3 ) - 3 ( x + y ) 4x - 3y + 21 6x + 3y + 21 4x + y + 3 4x + 3y +3
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OpenStudy (agent0smith):
First use the distributive property to simplify it... 7 ( x + 3 ) - 3 ( x + y ) becomes 7x + 7*3 - 3x - 3y now combine like terms.
OpenStudy (anonymous):
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