Question

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

Answer 1

try replace x with -2
y with 1
z with -2
then follow the order of operations

Answer 2

The options are A: -13, B: -1, C: 1, D: 13

Answer 3

3x-y-3z
here i will help you a little more
3(-2)-1-3(-2)
now follow order of operations

Answer 4

multiplication comes first as it occurs left to right

Answer 5

what is 3(-2)?

Answer 6

-9

Answer 7

-6

Answer 8

right -6
so we have
3(-2)-1-3(-2)
-6-1-(-6)

I went ahead and replace the other 3(-2) with -6

Answer 9

so now all you have is addition (you may call some of that addition subtraction; whatever)

Answer 10

so -6-1=?

Answer 11

its -7 but that's not an option

Answer 12

okay thanks Scarlet_Spider

Answer 13

we aren't done

Answer 14

you have -7-(-6)
then that -7+6