7n-3(5n+7)=-85

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Solution for 7n-3(5n+7)=-85 equation: 



7n-3(5n+7)=-85

We move all terms to the left:

7n-3(5n+7)-(-85)=0

We add all the numbers together, and all the variables

7n-3(5n+7)+85=0

We multiply parentheses

7n-15n-21+85=0

We add all the numbers together, and all the variables

-8n+64=0

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

-8n=-64

n=-64/-8

n=+8

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