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x+1/2-x-2/5=4
We move all terms to the left:
x+1/2-x-2/5-(4)=0
determiningTheFunctionDomain x-x-4+1/2-2/5=0
We add all the numbers together, and all the variables
-4+1/2-2/5=0
We calculate fractions
There is no solution for this equation
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