4/5a-7=9

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Solution for 4/5a-7=9 equation: 



4/5a-7=9

We move all terms to the left:

4/5a-7-(9)=0



Domain of the equation: 5a!=0

a!=0/5

a!=0

a∈R



We add all the numbers together, and all the variables

4/5a-16=0

We multiply all the terms by the denominator


-16*5a+4=0

Wy multiply elements

-80a+4=0

We move all terms containing a to the left, all other terms to the right

-80a=-4

a=-4/-80

a=1/20

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