7.2=4+x

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Solution for 7.2=4+x equation: 



7.2=4+x

We move all terms to the left:

7.2-(4+x)=0

We add all the numbers together, and all the variables

-(x+4)+7.2=0

We get rid of parentheses

-x-4+7.2=0

We add all the numbers together, and all the variables

-1x+3.2=0

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

-x=-3.2

x=-3.2/-1

x=3+0.2/1

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