x+7=x+7-4

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Solution for x+7=x+7-4 equation: 



x+7=x+7-4

We move all terms to the left:

x+7-(x+7-4)=0

We add all the numbers together, and all the variables

x-(x+3)+7=0

We get rid of parentheses

x-x-3+7=0

We add all the numbers together, and all the variables

4!=0

There is no solution for this equation

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