1/3a+9=7

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Solution for 1/3a+9=7 equation: 



1/3a+9=7

We move all terms to the left:

1/3a+9-(7)=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+2=0

We multiply all the terms by the denominator


2*3a+1=0

Wy multiply elements

6a+1=0

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

6a=-1

a=-1/6

a=-1/6

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