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Three students simplified the expression 2x- 3(y-2x) +-5times -2y. Amber -4y + 7y Butch 4x + 7y Carl 8x + 7y Who is correct? Explain the error the other students made
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Three students simplified the expression 2x- 3(y-2x) +-5times -2y.

Amber -4y + 7y
Butch 4x + 7y
Carl 8x + 7y

Who is correct? Explain the error the other students made

User Rogergarrison
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1 Answer

7 votes
Carl is right because simplifying it gets us:
2x-3y+6x+10y=<strong>8x+7y</strong>
User STheFox
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