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Find the sum. (-x - 2y - 4z) + (7x - 6y - 6z)
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Nov 7, 2016
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Find the sum.
(-x - 2y - 4z) + (7x - 6y - 6z)
Mathematics
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Danny Buonocore
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−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
Erlyn
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Nov 11, 2016
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Erlyn
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