-21=-0.375(8n+32)

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Solution for -21=-0.375(8n+32) equation: 



-21=-0.375(8n+32)

We move all terms to the left:

-21-(-0.375(8n+32))=0



We calculate terms in parentheses: -(-0.375(8n+32)), so:

-0.375(8n+32)

We multiply parentheses

-3n-12

Back to the equation:

-(-3n-12)



We get rid of parentheses

3n+12-21=0

We add all the numbers together, and all the variables

3n-9=0

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

3n=9

n=9/3

n=3

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