400/4a=80

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Solution for 400/4a=80 equation: 



400/4a=80

We move all terms to the left:

400/4a-(80)=0



Domain of the equation: 4a!=0

a!=0/4

a!=0

a∈R



We multiply all the terms by the denominator


-80*4a+400=0

Wy multiply elements

-320a+400=0

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

-320a=-400

a=-400/-320

a=1+1/4

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