4.2=x-2.8

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Solution for 4.2=x-2.8 equation: 



4.2=x-2.8

We move all terms to the left:

4.2-(x-2.8)=0

We get rid of parentheses

-x+2.8+4.2=0

We add all the numbers together, and all the variables

-1x+7=0

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

-x=-7

x=-7/-1

x=+7

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