rica3
rica3
20-07-2015
Mathematics
contestada
Find the sum.
(-x - 2y - 4z) + (7x - 6y - 6z)
Respuesta :
Аноним
Аноним
20-07-2015
−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
[tex]\bold{6x - 8y -10z}[/tex]
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