1/3y-12=9

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Solution for 1/3y-12=9 equation: 



1/3y-12=9

We move all terms to the left:

1/3y-12-(9)=0



Domain of the equation: 3y!=0

y!=0/3

y!=0

y∈R



We add all the numbers together, and all the variables

1/3y-21=0

We multiply all the terms by the denominator


-21*3y+1=0

Wy multiply elements

-63y+1=0

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

-63y=-1

y=-1/-63

y=1/63

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