8x-(4x+9)=12x

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Solution for 8x-(4x+9)=12x equation: 



8x-(4x+9)=12x

We move all terms to the left:

8x-(4x+9)-(12x)=0

We add all the numbers together, and all the variables

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

We get rid of parentheses

-4x-4x-9=0

We add all the numbers together, and all the variables

-8x-9=0

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

-8x=9

x=9/-8

x=-1+1/8

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