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2.1/3c=21/10
We move all terms to the left:
2.1/3c-(21/10)=0
Domain of the equation: 3c!=0We add all the numbers together, and all the variables
c!=0/3
c!=0
c∈R
2.1/3c-(+21/10)=0
We get rid of parentheses
2.1/3c-21/10=0
We calculate fractions
There is no solution for this equation
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