66.16=3.96(x-12)-2.80(x)

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Solution for 66.16=3.96(x-12)-2.80(x) equation: 



66.16=3.96(x-12)-2.80(x)

We move all terms to the left:

66.16-(3.96(x-12)-2.80(x))=0



We calculate terms in parentheses: -(3.96(x-12)-2.80x), so:

3.96(x-12)-2.80x

We add all the numbers together, and all the variables

-2.8x+3.96(x-12)

We multiply parentheses

-2.8x+3.96x-47.52

We add all the numbers together, and all the variables

1.16x-47.52

Back to the equation:

-(1.16x-47.52)



We get rid of parentheses

-1.16x+47.52+66.16=0

We add all the numbers together, and all the variables

-1.16x+113.68=0

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

-1.16x=-113.68

x=-113.68/-1.16

x=98+1.4210854715202E-14/1.16

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