215=-5(6+7n)

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Solution for 215=-5(6+7n) equation: 



215=-5(6+7n)

We move all terms to the left:

215-(-5(6+7n))=0

We add all the numbers together, and all the variables

-(-5(7n+6))+215=0



We calculate terms in parentheses: -(-5(7n+6)), so:

-5(7n+6)

We multiply parentheses

-35n-30

Back to the equation:

-(-35n-30)



We get rid of parentheses

35n+30+215=0

We add all the numbers together, and all the variables

35n+245=0

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

35n=-245

n=-245/35

n=-7

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