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12/x+9=4/7
We move all terms to the left:
12/x+9-(4/7)=0
Domain of the equation: x!=0We add all the numbers together, and all the variables
x∈R
12/x+9-(+4/7)=0
We get rid of parentheses
12/x+9-4/7=0
We calculate fractions
There is no solution for this equation
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