74.1k views
1 vote
Find the sum.
(-x - 2y - 4z) + (7x - 6y - 6z)

1 Answer

3 votes
−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}




User Erlyn
by
7.7k points