-128.8=3.4(2.8-5.4n)

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Solution for -128.8=3.4(2.8-5.4n) equation: 



-128.8=3.4(2.8-5.4n)

We move all terms to the left:

-128.8-(3.4(2.8-5.4n))=0

We add all the numbers together, and all the variables

-(3.4(-5.4n+2.8))-128.8=0



We calculate terms in parentheses: -(3.4(-5.4n+2.8)), so:

3.4(-5.4n+2.8)

We multiply parentheses

-17n+9.52

Back to the equation:

-(-17n+9.52)



We get rid of parentheses

17n-9.52-128.8=0

We add all the numbers together, and all the variables

17n-138.32=0

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

17n=138.32

n=138.32/17

n=8+2.32/17

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