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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 (anonymous):
7x+21-3x-3y 4x+21-3y
OpenStudy (anonymous):
The first one
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