Question

Simplify.
3(2x + 4y - 2z) + 7(x + y - 4z)

Answer 1

`</p><p>3(2x+4y-2z)+7(x+y-4z) \\</p><p>6x+12y-6z+7x+7y-28z \\</p><p>\boxed{13x+19y-34z}</p><p>`

Hope this helps.

Answer 2

13x + 19y - 34z

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.