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27=a/0.8a=
We move all terms to the left:
27-(a/0.8a)=0
Domain of the equation: 0.8a)!=0We add all the numbers together, and all the variables
a!=0/1
a!=0
a∈R
-(+a/0.8a)+27=0
We get rid of parentheses
-a/0.8a+27=0
We multiply all the terms by the denominator
-a+27*0.8a=0
We add all the numbers together, and all the variables
-1a+27*0.8a=0
Wy multiply elements
-1a+0a=0
We add all the numbers together, and all the variables
=0
a=0/1
a=0
Równanie nie ma rozwiązania
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