210=-7(7n+2)-7n

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Solution for 210=-7(7n+2)-7n equation: 



210=-7(7n+2)-7n

We move all terms to the left:

210-(-7(7n+2)-7n)=0



We calculate terms in parentheses: -(-7(7n+2)-7n), so:

-7(7n+2)-7n

We add all the numbers together, and all the variables

-7n-7(7n+2)

We multiply parentheses

-7n-49n-14

We add all the numbers together, and all the variables

-56n-14

Back to the equation:

-(-56n-14)



We get rid of parentheses

56n+14+210=0

We add all the numbers together, and all the variables

56n+224=0

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

56n=-224

n=-224/56

n=-4

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