n-12=0,5(n-4)

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Solution for n-12=0,5(n-4) equation: 



n-12=0.5(n-4)

We move all terms to the left:

n-12-(0.5(n-4))=0



We calculate terms in parentheses: -(0.5(n-4)), so:

0.5(n-4)

We multiply parentheses

0.5n-2

Back to the equation:

-(0.5n-2)



We get rid of parentheses

n-0.5n+2-12=0

We add all the numbers together, and all the variables

0.5n-10=0

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

0.5n=10

n=10/0.5

n=20

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