Simplify: 6x - {4y - 3[y + (-2y + 1)]}
Which is the correct answer is it: 6x + 7y - 3,or 6x - 7y + 3,or 6x + y - 3,or 6x - 7y - 3

6x - {4y - 3[y + (-2y + 1)]} = 6x - {4y - 3[y - 2y + 1]} = 6x - {4y - 3y + 6y - 3} = 6x - 4y + 3y - 6y + 3 = 6x - 7y + 3

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Asked 2/19/2011 5:59:23 PM

Updated 3/24/2015 2:42:10 PM

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Edited by Andrew. [3/24/2015 2:42:08 PM]

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6x - {4y - 3[y + (-2y + 1)]}

= 6x - {4y - 3[y - 2y + 1]}

= 6x - {4y - 3y + 6y - 3}

= 6x - 4y + 3y - 6y + 3

= 6x - 7y + 3

= 6x - {4y - 3[y - 2y + 1]}

= 6x - {4y - 3y + 6y - 3}

= 6x - 4y + 3y - 6y + 3

= 6x - 7y + 3

Added 3/24/2015 2:42:10 PM

This answer has been confirmed as correct and helpful.

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