How do you evaluate #2x − 6y + 2z − 5x − 3y + 8z#?

1 Answer
Apr 15, 2018

Answer:

#-3x-9y+10z#

Explanation:

Identify and combine like terms:

Like terms are in similar colors:

#color(blue)(2x)color(red)(-6y)color(green)(+2z)color(blue)(-5x)color(red)(-3y)color(green)(+8z#

#color(blue)(2x-5x)color(red)(-6y-3y)color(green)(+2z+8z)#

#color(blue)(-3x)color(red)(-9y)color(green)(+10z#