a-4/9a=7/9

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Solution for a-4/9a=7/9 equation: 



a-4/9a=7/9

We move all terms to the left:

a-4/9a-(7/9)=0



Domain of the equation: 9a!=0

a!=0/9

a!=0

a∈R



We add all the numbers together, and all the variables

a-4/9a-(+7/9)=0

We get rid of parentheses

a-4/9a-7/9=0

We calculate fractions


a=0

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