x+2x=-10=2x+2

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Solution for x+2x=-10=2x+2 equation: 



x+2x=-10=2x+2

We move all terms to the left:

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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