-287=7(1-7n)

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Solution for -287=7(1-7n) equation: 



-287=7(1-7n)

We move all terms to the left:

-287-(7(1-7n))=0

We add all the numbers together, and all the variables

-(7(-7n+1))-287=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

49n-7-287=0

We add all the numbers together, and all the variables

49n-294=0

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

49n=294

n=294/49

n=6

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