Answer:
-12
Step-by-step explanation:
Just sustitute the z for -4
z+z+z
-4+(-4)+(-4)
=-12
I hope this help :)
Steps to solve:
z + z + z when z = -4
~Substitute
-4 + (-4) + (-4)
~Simplify
-4 - 4 - 4
~Subtract
-8 - 4
Best of Luck!
