x-7=20+x

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Solution for x-7=20+x equation: 



x-7=20+x

We move all terms to the left:

x-7-(20+x)=0

We add all the numbers together, and all the variables

x-(x+20)-7=0

We get rid of parentheses

x-x-20-7=0

We add all the numbers together, and all the variables

-27!=0

There is no solution for this equation

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