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-3/7a-2=-2/5
We move all terms to the left:
-3/7a-2-(-2/5)=0
Domain of the equation: 7a!=0We get rid of parentheses
a!=0/7
a!=0
a∈R
-3/7a-2+2/5=0
We calculate fractions
There is no solution for this equation
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