7=1/3x+12

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Solution for 7=1/3x+12 equation: 



7=1/3x+12

We move all terms to the left:

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



Domain of the equation: 3x+12)!=0

x∈R



We get rid of parentheses

-1/3x-12+7=0

We multiply all the terms by the denominator


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

Wy multiply elements

-36x+21x-1=0

We add all the numbers together, and all the variables

-15x-1=0

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

-15x=1

x=1/-15

x=-1/15

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