-27x+9x=3(-9-7x)

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Solution for -27x+9x=3(-9-7x) equation: 



-27x+9x=3(-9-7x)

We move all terms to the left:

-27x+9x-(3(-9-7x))=0

We add all the numbers together, and all the variables

-27x+9x-(3(-7x-9))=0

We add all the numbers together, and all the variables

-18x-(3(-7x-9))=0



We calculate terms in parentheses: -(3(-7x-9)), so:

3(-7x-9)

We multiply parentheses

-21x-27

Back to the equation:

-(-21x-27)



We get rid of parentheses

-18x+21x+27=0

We add all the numbers together, and all the variables

3x+27=0

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

3x=-27

x=-27/3

x=-9

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