When divided by $$7$$, each of the positive integers $$x$$, $$y$$, and $$z$$ has a remainder of $$3$$. When $$x+y+z$$ is divided by $$7$$, what is the remainder?
When divided by $$7$$, each of the positive integers $$x$$, $$y$$, and $$z$$ has a remainder of $$3$$. When $$x+y+z$$ is divided by $$7$$, what is the remainder?
