216k views
3 votes
ADD: 2x + 4y - 3z 3y + 2z + 6x 4z - 8x - 7y

User Radu Vlad
by
8.2k points

1 Answer

1 vote
(2x + 4y - 3z) + (3y + 2z + 6x) + (4z - 8x - 7y)

= 2x + 4y - 3z + 3y + 2z + 6x + 4z - 8x - 7y

= (2x + 6x - 8x) + (4y + 3y - 7y) + (-3z + 2z + 4z)

= 0 + 0 + 3z

= 3z
User Gary Gale
by
8.1k points

Related questions

asked May 12, 2017 92.8k views
Farouk Touzi asked May 12, 2017
by Farouk Touzi
8.2k points
1 answer
5 votes
92.8k views
1 answer
23 votes
31.4k views