1/3a+9=20

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Solution for 1/3a+9=20 equation: 



1/3a+9=20

We move all terms to the left:

1/3a+9-(20)=0



Domain of the equation: 3a!=0

a!=0/3

a!=0

a∈R



We add all the numbers together, and all the variables

1/3a-11=0

We multiply all the terms by the denominator


-11*3a+1=0

Wy multiply elements

-33a+1=0

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

-33a=-1

a=-1/-33

a=1/33

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