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4/e=2.5
We move all terms to the left:
4/e-(2.5)=0
Domain of the equation: e!=0We add all the numbers together, and all the variables
e∈R
4/e-2.5=0
We multiply all the terms by the denominator
-(2.5)*e+4=0
We multiply parentheses
-2.5e+4=0
We move all terms containing e to the left, all other terms to the right
-2.5e=-4
e=-4/-2.5
e=1+1/1.6666666666667
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