C++. Assume that the following variables have been defined in a program:

int x =10;

int y = 20;

int z = 30;

write a cout statement that displays the sum of the variables x, y, and z.

Checkpoint 3.6 Assume that the following variables have been defined in a program: int x = 10; int y = 20; int z = 30; Write a cout statement that displays the sum of the variables x, y, and z. Type your program submission here