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7.7/15.4=y/2.1
We move all terms to the left:
7.7/15.4-(y/2.1)=0
We add all the numbers together, and all the variables
-(+y/2.1)+7.7/15.4=0
We get rid of parentheses
-y/2.1+7.7/15.4=0
We calculate fractions
There is no solution for this equation
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