21=11/6a+3

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Solution for 21=11/6a+3 equation: 



21=11/6a+3

We move all terms to the left:

21-(11/6a+3)=0



Domain of the equation: 6a+3)!=0

a∈R



We get rid of parentheses

-11/6a-3+21=0

We multiply all the terms by the denominator


-3*6a+21*6a-11=0

Wy multiply elements

-18a+126a-11=0

We add all the numbers together, and all the variables

108a-11=0

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

108a=11

a=11/108

a=11/108

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