-20.4=5.1x

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Solution for -20.4=5.1x equation: 



-20.4=5.1x

We move all terms to the left:

-20.4-(5.1x)=0

We add all the numbers together, and all the variables

-(+5.1x)-20.4=0

We get rid of parentheses

-5.1x-20.4=0

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

-5.1x=20.4

x=20.4/-5.1

x=-4

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