x+4=-x-

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Solution for x+4=-x- equation: 



x+4=-x-

We move all terms to the left:

x+4-(-x-)=0

We add all the numbers together, and all the variables

x-(-1x)+4=0

We get rid of parentheses

x+1x+4=0

We add all the numbers together, and all the variables

2x+4=0

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

2x=-4

x=-4/2

x=-2

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