71=x-7(x+1)

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Solution for 71=x-7(x+1) equation: 



71=x-7(x+1)

We move all terms to the left:

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



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

x-7(x+1)

We multiply parentheses

x-7x-7

We add all the numbers together, and all the variables

-6x-7

Back to the equation:

-(-6x-7)



We get rid of parentheses

6x+7+71=0

We add all the numbers together, and all the variables

6x+78=0

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

6x=-78

x=-78/6

x=-13

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