Question

Evaluate the following expression using the values given.

Find 3x - y - 3z if x = -2, y = 1, and z = -2.

-13

-1

1

13

Answer 1

just plug in your numbers

Answer 2

Lol I wish i knew how too.. I suck at math

Answer 3

3x - y - 3z
3(-2)-(1)-3(-2)

use parentheses it helps

Answer 4

thanks!

Answer 5

variables are just place holders
And always use parenthesis especially if you are given a - number.