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3x-21/x+13=9/8
We move all terms to the left:
3x-21/x+13-(9/8)=0
Domain of the equation: x!=0We add all the numbers together, and all the variables
x∈R
3x-21/x+13-(+9/8)=0
We get rid of parentheses
3x-21/x+13-9/8=0
We calculate fractions
There is no solution for this equation
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