6-3(6-3x)=(-21+6x)

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Solution for 6-3(6-3x)=(-21+6x) equation: 



6-3(6-3x)=(-21+6x)

We move all terms to the left:

6-3(6-3x)-((-21+6x))=0

We add all the numbers together, and all the variables

-3(-3x+6)-((6x-21))+6=0

We multiply parentheses

9x-((6x-21))-18+6=0



We calculate terms in parentheses: -((6x-21)), so:

(6x-21)

We get rid of parentheses

6x-21

Back to the equation:

-(6x-21)



We add all the numbers together, and all the variables

9x-(6x-21)-12=0

We get rid of parentheses

9x-6x+21-12=0

We add all the numbers together, and all the variables

3x+9=0

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

3x=-9

x=-9/3

x=-3

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