how to add: (x-1)+(x+1)

Question

anonymous · Answer

2x

anonymous · Answer

show work??

anonymous · Answer

x+x = 2x
-1+1 = 0

2x + 0 = 2x

anonymous · Answer

2x

parthkohli · Answer

Annoying when people answer directly.

parthkohli · Answer

Remove the brackets. They do nothing here.

$ \color{Black}{\Rightarrow x - 1 +  x + 1}$

Add x + x and -1 + 1.

anonymous · Answer

the brackets aren't needed.  might be easier to see as:
x-1+x+1

parthkohli · Answer

$ \color{Black}{\Rightarrow x + x +\cancel{ 1 - 1}}$

anonymous · Answer

hey the answer is already given with steps

mathslover · Answer

first of all i will say that Please dont answer the questions of the askers directly .. You may get reported or banned http://openstudy.com/code-of-conduct Don't devalue the question/answer process! Don't provide someone with just the answer - explain the process, and help guide them through understanding the problem. Don't just provide the answer to a problem when someone else is in the middle of helping! But if you want to help, by all means, join in!

parthkohli · Answer

Hmm. What is x + x? Well...

lgbasallote · Answer

want to let @jk_16 talk sometime?

parthkohli · Answer

Answer must not be given.

lgbasallote · Answer

there's about 10 replies crammed here =)) let the kid talk lol

mathslover · Answer

Hope you all understood the openstudy ...code of conduct .. I am not going to mention his/her name but please help the asker by giving the hints not solution