6(x-9)=12(x+3)

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Solution for 6(x-9)=12(x+3) equation: 



6(x-9)=12(x+3)

We move all terms to the left:

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

We multiply parentheses

6x-(12(x+3))-54=0



We calculate terms in parentheses: -(12(x+3)), so:

12(x+3)

We multiply parentheses

12x+36

Back to the equation:

-(12x+36)



We get rid of parentheses

6x-12x-36-54=0

We add all the numbers together, and all the variables

-6x-90=0

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

-6x=90

x=90/-6

x=-15

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