a/7a=20

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Solution for a/7a=20 equation: 



a/7a=20

We move all terms to the left:

a/7a-(20)=0



Domain of the equation: 7a!=0

a!=0/7

a!=0

a∈R



We multiply all the terms by the denominator


a-20*7a=0

Wy multiply elements

a-140a=0

We add all the numbers together, and all the variables

-139a=0

a=0/-139

a=0

Równanie nie ma rozwiązania

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