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21/x+9=7/8
We move all terms to the left:
21/x+9-(7/8)=0
Domain of the equation: x!=0We add all the numbers together, and all the variables
x∈R
21/x+9-(+7/8)=0
We get rid of parentheses
21/x+9-7/8=0
We calculate fractions
There is no solution for this equation
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