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3.5/6.9=10.5/d
We move all terms to the left:
3.5/6.9-(10.5/d)=0
Domain of the equation: d)!=0We add all the numbers together, and all the variables
d!=0/1
d!=0
d∈R
-(+10.5/d)+3.5/6.9=0
We get rid of parentheses
-10.5/d+3.5/6.9=0
We calculate fractions
There is no solution for this equation
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