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2/3a=21/4
We move all terms to the left:
2/3a-(21/4)=0
Domain of the equation: 3a!=0We add all the numbers together, and all the variables
a!=0/3
a!=0
a∈R
2/3a-(+21/4)=0
We get rid of parentheses
2/3a-21/4=0
We calculate fractions
There is no solution for this equation
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