7(7n+3)=-10(n-9)

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Solution for 7(7n+3)=-10(n-9) equation: 



7(7n+3)=-10(n-9)

We move all terms to the left:

7(7n+3)-(-10(n-9))=0

We multiply parentheses

49n-(-10(n-9))+21=0



We calculate terms in parentheses: -(-10(n-9)), so:

-10(n-9)

We multiply parentheses

-10n+90

Back to the equation:

-(-10n+90)



We get rid of parentheses

49n+10n-90+21=0

We add all the numbers together, and all the variables

59n-69=0

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

59n=69

n=69/59

n=1+10/59

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