187=12+7(13+x)

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Solution for 187=12+7(13+x) equation: 



187=12+7(13+x)

We move all terms to the left:

187-(12+7(13+x))=0

We add all the numbers together, and all the variables

-(12+7(x+13))+187=0



We calculate terms in parentheses: -(12+7(x+13)), so:

12+7(x+13)

determiningTheFunctionDomain
7(x+13)+12

We multiply parentheses

7x+91+12

We add all the numbers together, and all the variables

7x+103

Back to the equation:

-(7x+103)



We get rid of parentheses

-7x-103+187=0

We add all the numbers together, and all the variables

-7x+84=0

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

-7x=-84

x=-84/-7

x=+12

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