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#
