140=7(4n-8)

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Solution for 140=7(4n-8) equation: 



140=7(4n-8)

We move all terms to the left:

140-(7(4n-8))=0



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

7(4n-8)

We multiply parentheses

28n-56

Back to the equation:

-(28n-56)



We get rid of parentheses

-28n+56+140=0

We add all the numbers together, and all the variables

-28n+196=0

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

-28n=-196

n=-196/-28

n=+7

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