-40-2n=-7(7n-1)

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Solution for -40-2n=-7(7n-1) equation: 



-40-2n=-7(7n-1)

We move all terms to the left:

-40-2n-(-7(7n-1))=0



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

-7(7n-1)

We multiply parentheses

-49n+7

Back to the equation:

-(-49n+7)



We get rid of parentheses

-2n+49n-7-40=0

We add all the numbers together, and all the variables

47n-47=0

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

47n=47

n=47/47

n=1

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