47=-1+4(8-2x)

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Solution for 47=-1+4(8-2x) equation: 



47=-1+4(8-2x)

We move all terms to the left:

47-(-1+4(8-2x))=0

We add all the numbers together, and all the variables

-(-1+4(-2x+8))+47=0



We calculate terms in parentheses: -(-1+4(-2x+8)), so:

-1+4(-2x+8)

determiningTheFunctionDomain
4(-2x+8)-1

We multiply parentheses

-8x+32-1

We add all the numbers together, and all the variables

-8x+31

Back to the equation:

-(-8x+31)



We get rid of parentheses

8x-31+47=0

We add all the numbers together, and all the variables

8x+16=0

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

8x=-16

x=-16/8

x=-2

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