0.4=x/30+x

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Solution for 0.4=x/30+x equation: 



0.4=x/30+x

We move all terms to the left:

0.4-(x/30+x)=0



Domain of the equation: 30+x)!=0

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

x)!=-30

x!=-30/1

x!=-30

x∈R



We add all the numbers together, and all the variables

-(+x+x/30)+0.4=0

We get rid of parentheses

-x-x/30+0.4=0

We multiply all the terms by the denominator


-x*30-x+(0.4)*30=0

We add all the numbers together, and all the variables

-1x-x*30+12=0

Wy multiply elements

-1x-30x+12=0

We add all the numbers together, and all the variables

-31x+12=0

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

-31x=-12

x=-12/-31

x=12/31

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