4.2+7=8.3(x-6.6)

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Solution for \4.2+7=8.3(x-6.6) equation: 



4.2+7=8.3(x-6.6)

We move all terms to the left:

4.2+7-(8.3(x-6.6))=0

We add all the numbers together, and all the variables

-(8.3(x-6.6))+11.2=0



We calculate terms in parentheses: -(8.3(x-6.6)), so:

8.3(x-6.6)

We multiply parentheses

8.3x-54.78

Back to the equation:

-(8.3x-54.78)



We get rid of parentheses

-8.3x+54.78+11.2=0

We add all the numbers together, and all the variables

-8.3x+65.98=0

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

-8.3x=-65.98

x=-65.98/-8.3

x=7+4.1914893617021/4.4148936170213

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