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

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asked Nov 7, 2016 74.1k views

1 Answer

Erlyn · Answer 1 · 2016-11-11T17:00:18+0000

−x−2y−4z+7x−6y−6z

=−x+−2y+−4z+7x+−6y+−6z

Combine Like Terms:

=−x+−2y+−4z+7x+−6y+−6z

=(−x+7x)+(−2y+−6y)+(−4z+−6z)

=6x+−8y+−10z

$\bold{6x - 8y -10z}$

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

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