7=x-(.2)x

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Solution for 7=x-(.2)x equation: 



7=x-(.2)x

We move all terms to the left:

7-(x-(.2)x)=0

We add all the numbers together, and all the variables

-(x-(0.2)x)+7=0



We calculate terms in parentheses: -(x-(0.2)x), so:

x-(0.2)x

We multiply parentheses

x-0.2x

We add all the numbers together, and all the variables

0.8x

Back to the equation:

-(0.8x)



We add all the numbers together, and all the variables

-(+0.8x)+7=0

We get rid of parentheses

-0.8x+7=0

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

-0.8x=-7

x=-7/-0.8

x=8+0.6/0.8

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