Question

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

Answer 1

Hi Brainiac

3x-y-3z for x=-2 , y=1 and z=-2

3(-2)-1-3(-2)

= -6-1-3(-2)

= -7 - 3(-2)

= -7 - (-6)

= -7+6

= -1

I hope that's help :)

Answer 2

3(-2) -(1) -3(-2)
= -6 -1 +6 = -1