9=12-(6x+7)+5x

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Solution for 9=12-(6x+7)+5x equation: 



9=12-(6x+7)+5x

We move all terms to the left:

9-(12-(6x+7)+5x)=0



We calculate terms in parentheses: -(12-(6x+7)+5x), so:

12-(6x+7)+5x

determiningTheFunctionDomain
-(6x+7)+5x+12

We add all the numbers together, and all the variables

5x-(6x+7)+12

We get rid of parentheses

5x-6x-7+12

We add all the numbers together, and all the variables

-1x+5

Back to the equation:

-(-1x+5)



We get rid of parentheses

1x-5+9=0

We add all the numbers together, and all the variables

x+4=0

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

x=-4

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