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9/x=21/1140
We move all terms to the left:
9/x-(21/1140)=0
Domain of the equation: x!=0We add all the numbers together, and all the variables
x∈R
9/x-(+21/1140)=0
We get rid of parentheses
9/x-21/1140=0
We calculate fractions
There is no solution for this equation
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