-x=3x-6(7+3x)

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Solution for -x=3x-6(7+3x) equation: 



-x=3x-6(7+3x)

We move all terms to the left:

-x-(3x-6(7+3x))=0

We add all the numbers together, and all the variables

-x-(3x-6(3x+7))=0

We add all the numbers together, and all the variables

-1x-(3x-6(3x+7))=0



We calculate terms in parentheses: -(3x-6(3x+7)), so:

3x-6(3x+7)

We multiply parentheses

3x-18x-42

We add all the numbers together, and all the variables

-15x-42

Back to the equation:

-(-15x-42)



We get rid of parentheses

-1x+15x+42=0

We add all the numbers together, and all the variables

14x+42=0

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

14x=-42

x=-42/14

x=-3

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