400=1/3x

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Solution for 400=1/3x equation: 



400=1/3x

We move all terms to the left:

400-(1/3x)=0



Domain of the equation: 3x)!=0

x!=0/1

x!=0

x∈R



We add all the numbers together, and all the variables

-(+1/3x)+400=0

We get rid of parentheses

-1/3x+400=0

We multiply all the terms by the denominator


400*3x-1=0

Wy multiply elements

1200x-1=0

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

1200x=1

x=1/1200

x=1/1200

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