Question

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

Answer 1

`10`

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`