x+10=-x

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Solution for x+10=-x equation:



x+10=-x
We move all terms to the left:
x+10-(-x)=0
We add all the numbers together, and all the variables
x-(-1x)+10=0
We get rid of parentheses
x+1x+10=0
We add all the numbers together, and all the variables
2x+10=0
We move all terms containing x to the left, all other terms to the right
2x=-10
x=-10/2
x=-5

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