Question

Z+z+z for x=2, y=-3 , z=-4

Answer 1

-12

Explanation:

Just sustitute the z for -4

z+z+z

-4+(-4)+(-4)

=-12

I hope this help :)

Answer 2

Steps to solve:

z + z + z when z = -4

~Substitute

-4 + (-4) + (-4)

~Simplify

-4 - 4 - 4

~Subtract

-8 - 4

~Subtract

-12

Best of Luck!