47=7-2(8-4x)

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Solution for 47=7-2(8-4x) equation: 



47=7-2(8-4x)

We move all terms to the left:

47-(7-2(8-4x))=0

We add all the numbers together, and all the variables

-(7-2(-4x+8))+47=0



We calculate terms in parentheses: -(7-2(-4x+8)), so:

7-2(-4x+8)

determiningTheFunctionDomain
-2(-4x+8)+7

We multiply parentheses

8x-16+7

We add all the numbers together, and all the variables

8x-9

Back to the equation:

-(8x-9)



We get rid of parentheses

-8x+9+47=0

We add all the numbers together, and all the variables

-8x+56=0

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

-8x=-56

x=-56/-8

x=+7

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