12.4=8+x

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Solution for 12.4=8+x equation: 



12.4=8+x

We move all terms to the left:

12.4-(8+x)=0

We add all the numbers together, and all the variables

-(x+8)+12.4=0

We get rid of parentheses

-x-8+12.4=0

We add all the numbers together, and all the variables

-1x+4.4=0

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

-x=-4.4

x=-4.4/-1

x=4+0.4/1

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