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4x+7=4x+-7
We move all terms to the left:
4x+7-(4x+-7)=0
We add all the numbers together, and all the variables
4x-(4x-7)+7=0
We get rid of parentheses
4x-4x+7+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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