300=0.21x

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Solution for 300=0.21x equation: 



300=0.21x

We move all terms to the left:

300-(0.21x)=0

We add all the numbers together, and all the variables

-(+0.21x)+300=0

We get rid of parentheses

-0.21x+300=0

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

-0.21x=-300

x=-300/-0.21

x=1428+0.12/0.21

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