[tex]
3(2x+4y-2z)+7(x+y-4z) \\
6x+12y-6z+7x+7y-28z \\
\boxed{13x+19y-34z}
[/tex]
Hope this helps.
Answer:
13x + 19y - 34z
Step-by-step explanation:
Given: 3(2x + 4y - 2z) + 7(x + y - 4z)
Distribute 3 and 7 and add the like terms.
i.e., 3(2x + 4y - 2z) + 7(x + y - 4z) = 6x + 12y - 6z + 7x + 7y - 28z
⇒ 6x + 7x + 12y + 7y - 6z - 28z
= 13x + 19y - 34z is the answer.
