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

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



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

We move all terms to the left:

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

We add all the numbers together, and all the variables

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



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

3(x-7)

We multiply parentheses

3x-21

Back to the equation:

-(3x-21)



We get rid of parentheses

-7x-3x+21-1=0

We add all the numbers together, and all the variables

-10x+20=0

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

-10x=-20

x=-20/-10

x=+2

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