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

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Solution for 3(x-3)=7(-1+x) equation: 



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

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We multiply parentheses

3x-(7(x-1))-9=0



We calculate terms in parentheses: -(7(x-1)), so:

7(x-1)

We multiply parentheses

7x-7

Back to the equation:

-(7x-7)



We get rid of parentheses

3x-7x+7-9=0

We add all the numbers together, and all the variables

-4x-2=0

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

-4x=2

x=2/-4

x=-1/2

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