12x-9=-2(3+x)=17

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Solution for 12x-9=-2(3+x)=17 equation: 



12x-9=-2(3+x)=17

We move all terms to the left:

12x-9-(-2(3+x))=0

We add all the numbers together, and all the variables

12x-(-2(x+3))-9=0



We calculate terms in parentheses: -(-2(x+3)), so:

-2(x+3)

We multiply parentheses

-2x-6

Back to the equation:

-(-2x-6)



We get rid of parentheses

12x+2x+6-9=0

We add all the numbers together, and all the variables

14x-3=0

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

14x=3

x=3/14

x=3/14

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