12=7-1/3y

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Solution for 12=7-1/3y equation: 



12=7-1/3y

We move all terms to the left:

12-(7-1/3y)=0



Domain of the equation: 3y)!=0

y!=0/1

y!=0

y∈R



We add all the numbers together, and all the variables

-(-1/3y+7)+12=0

We get rid of parentheses

1/3y-7+12=0

We multiply all the terms by the denominator


-7*3y+12*3y+1=0

Wy multiply elements

-21y+36y+1=0

We add all the numbers together, and all the variables

15y+1=0

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

15y=-1

y=-1/15

y=-1/15

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