How do you simplify $6x + 2y - 7( 6x - 4y + 4z )$ ?

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Answer 1 · 2018-06-18T22:00:39

$-36x + 30y - 28z$

Given: $6x + 2y -7(6x - 4y + 4z)$

First distribute the $-7$ :

$6x + 2y -7(6x) -7(-4y) -7(4z)$

$= 6x + 2y -42x + 28y - 28z$

Now add terms that are alike:

$= (6x - 42x) + (2y + 28y) -28z$

$= -36x + 30y - 28z$

How do you simplify 6x + 2y - 7( 6x - 4y + 4z )6x + 2y - 7( 6x - 4y + 4z )?