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X2=X2+13
We move all terms to the left:
X2-(X2+13)=0
We add all the numbers together, and all the variables
-(+X^2+13)+X2=0
We add all the numbers together, and all the variables
X^2-(+X^2+13)=0
We get rid of parentheses
X^2-X^2-13=0
We add all the numbers together, and all the variables
-13!=0
There is no solution for this equation
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