25=-4(5n-7)-8n

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Solution for 25=-4(5n-7)-8n equation: 



25=-4(5n-7)-8n

We move all terms to the left:

25-(-4(5n-7)-8n)=0



We calculate terms in parentheses: -(-4(5n-7)-8n), so:

-4(5n-7)-8n

We add all the numbers together, and all the variables

-8n-4(5n-7)

We multiply parentheses

-8n-20n+28

We add all the numbers together, and all the variables

-28n+28

Back to the equation:

-(-28n+28)



We get rid of parentheses

28n-28+25=0

We add all the numbers together, and all the variables

28n-3=0

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

28n=3

n=3/28

n=3/28

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