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

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



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

We move all terms to the left:

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

We multiply parentheses

21x-(7(6x+6))+21=0



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

7(6x+6)

We multiply parentheses

42x+42

Back to the equation:

-(42x+42)



We get rid of parentheses

21x-42x-42+21=0

We add all the numbers together, and all the variables

-21x-21=0

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

-21x=21

x=21/-21

x=-1

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