# How do you find 4x - 2y - z, if x = 2, y = 3, and z = -8?

##### 1 Answer

Apr 28, 2018

#### Explanation:

#"substitute the given values for x, y and z into the"#

#"expression"#

#(4xxcolor(red)(2))-(2xxcolor(blue)(3))-(color(magenta)(-8))#

#=8-6+8=10#