2+x=-x

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Solution for 2+x=-x equation: 



2+x=-x

We move all terms to the left:

2+x-(-x)=0

We add all the numbers together, and all the variables

x-(-1x)+2=0

We get rid of parentheses

x+1x+2=0

We add all the numbers together, and all the variables

2x+2=0

We move all terms containing x to the left, all other terms to the right

2x=-2

x=-2/2

x=-1

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