21=6/11a+3

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



21=6/11a+3

We move all terms to the left:

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



Domain of the equation: 11a+3)!=0

a∈R



We get rid of parentheses

-6/11a-3+21=0

We multiply all the terms by the denominator


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

Wy multiply elements

-33a+231a-6=0

We add all the numbers together, and all the variables

198a-6=0

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

198a=6

a=6/198

a=1/33

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