72=-6x-4(3x+9)

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Solution for 72=-6x-4(3x+9) equation: 



72=-6x-4(3x+9)

We move all terms to the left:

72-(-6x-4(3x+9))=0



We calculate terms in parentheses: -(-6x-4(3x+9)), so:

-6x-4(3x+9)

We multiply parentheses

-6x-12x-36

We add all the numbers together, and all the variables

-18x-36

Back to the equation:

-(-18x-36)



We get rid of parentheses

18x+36+72=0

We add all the numbers together, and all the variables

18x+108=0

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

18x=-108

x=-108/18

x=-6

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