x+10=-2x

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Solution for x+10=-2x equation: 



x+10=-2x

We move all terms to the left:

x+10-(-2x)=0

We get rid of parentheses

x+2x+10=0

We add all the numbers together, and all the variables

3x+10=0

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

3x=-10

x=-10/3

x=-3+1/3

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