12(x+9)=-4(x+9)

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Solution for 12(x+9)=-4(x+9) equation: 



12(x+9)=-4(x+9)

We move all terms to the left:

12(x+9)-(-4(x+9))=0

We multiply parentheses

12x-(-4(x+9))+108=0



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

-4(x+9)

We multiply parentheses

-4x-36

Back to the equation:

-(-4x-36)



We get rid of parentheses

12x+4x+36+108=0

We add all the numbers together, and all the variables

16x+144=0

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

16x=-144

x=-144/16

x=-9

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