3 years ago

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

Mathematics

1 answer:

Makovka662 [10]3 years ago

6 0

$( - x - 2y - 4z ) + ( 7x - 6y - 6z ) =\\
-x-2y-4z+7x-6y-6z=\\
6x-8y-10z$

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