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-4x+7=11-4x+7=11
We move all terms to the left:
-4x+7-(11-4x+7)=0
We add all the numbers together, and all the variables
-4x-(-4x+18)+7=0
We get rid of parentheses
-4x+4x-18+7=0
We add all the numbers together, and all the variables
-11!=0
There is no solution for this equation
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