3x=87+(x+7)

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Solution for 3x=87+(x+7) equation: 



3x=87+(x+7)

We move all terms to the left:

3x-(87+(x+7))=0



We calculate terms in parentheses: -(87+(x+7)), so:

87+(x+7)

determiningTheFunctionDomain
(x+7)+87

We get rid of parentheses

x+7+87

We add all the numbers together, and all the variables

x+94

Back to the equation:

-(x+94)



We get rid of parentheses

3x-x-94=0

We add all the numbers together, and all the variables

2x-94=0

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

2x=94

x=94/2

x=47

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