7(7n-3)+8n=-21

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Solution for 7(7n-3)+8n=-21 equation: 



7(7n-3)+8n=-21

We move all terms to the left:

7(7n-3)+8n-(-21)=0

We add all the numbers together, and all the variables

8n+7(7n-3)+21=0

We multiply parentheses

8n+49n-21+21=0

We add all the numbers together, and all the variables

57n=0

n=0/57

n=0

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