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

Question

1870 views around the world

You can reuse this answer
Creative Commons License

Answer 1 · 2018-04-15T03:47:43

$-3x-9y+10z$

Identify and combine like terms:

Like terms are in similar colors:

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

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

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

How do you evaluate 2x − 6y + 2z − 5x − 3y + 8z2x − 6y + 2z − 5x − 3y + 8z?