-2.1=0.3x

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Solution for -2.1=0.3x equation: 



-2.1=0.3x

We move all terms to the left:

-2.1-(0.3x)=0

We add all the numbers together, and all the variables

-(+0.3x)-2.1=0

We get rid of parentheses

-0.3x-2.1=0

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

-0.3x=2.1

x=2.1/-0.3

x=-7

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