x+7=9+x+12

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Solution for x+7=9+x+12 equation: 



x+7=9+x+12

We move all terms to the left:

x+7-(9+x+12)=0

We add all the numbers together, and all the variables

x-(x+21)+7=0

We get rid of parentheses

x-x-21+7=0

We add all the numbers together, and all the variables

-14!=0

There is no solution for this equation

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