I just did this test the answer is B :-)
So what u do is (29272829)+(-8382929)=(-7398)-n
Hello.
The answer is
-12y
Combine Like Terms:<span>=<span><span><span>6y</span>+<span>−<span>6y</span></span></span>+<span>−<span>12y</span></span></span></span><span>=<span>(<span><span><span>6y</span>+<span>−<span>6y</span></span></span>+<span>−<span>12y</span></span></span>)</span></span><span>=<span>−<span>12<span>y
Have a nice day</span></span></span></span>