(0.3x=2.1)/3=0.4

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Solution for (0.3x=2.1)/3=0.4 equation: 



(0.3x=2.1)/3=0.4

We move all terms to the left:

(0.3x-(2.1)/3)=0

We multiply all the terms by the denominator


(0.3x-(2.1)=0



We calculate terms in parentheses: +(0.3x-(2.1), so:

0.3x-(2.1

We add all the numbers together, and all the variables

0.3x

Back to the equation:

+(0.3x)



We add all the numbers together, and all the variables

(+0.3x)=0

We get rid of parentheses

0.3x=0

x=0/0.3

x=0

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