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1/21x+4/3=-1/7
We move all terms to the left:
1/21x+4/3-(-1/7)=0
Domain of the equation: 21x!=0We get rid of parentheses
x!=0/21
x!=0
x∈R
1/21x+4/3+1/7=0
We calculate fractions
There is no solution for this equation
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