x+7=9-2x

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Solution for x+7=9-2x equation: 



x+7=9-2x

We move all terms to the left:

x+7-(9-2x)=0

We add all the numbers together, and all the variables

x-(-2x+9)+7=0

We get rid of parentheses

x+2x-9+7=0

We add all the numbers together, and all the variables

3x-2=0

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

3x=2

x=2/3

x=2/3

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