3x=4-(x+8)

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Solution for 3x=4-(x+8) equation: 



3x=4-(x+8)

We move all terms to the left:

3x-(4-(x+8))=0



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

4-(x+8)

determiningTheFunctionDomain
-(x+8)+4

We get rid of parentheses

-x-8+4

We add all the numbers together, and all the variables

-1x-4

Back to the equation:

-(-1x-4)



We get rid of parentheses

3x+1x+4=0

We add all the numbers together, and all the variables

4x+4=0

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

4x=-4

x=-4/4

x=-1

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