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Find the sum. ( - x - 2y - 4z ) + ( 7x - 6y - 6z )
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Find the sum.
( - x - 2y - 4z ) + ( 7x - 6y - 6z )

User Nabeela
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( - x - 2y - 4z ) + ( 7x - 6y - 6z ) =\\ -x-2y-4z+7x-6y-6z=\\ 6x-8y-10z
User Parameter
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