4(0.5n-3)=n-2.5(12-8n)

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Solution for 4(0.5n-3)=n-2.5(12-8n) equation: 



4(0.5n-3)=n-2.5(12-8n)

We move all terms to the left:

4(0.5n-3)-(n-2.5(12-8n))=0

We add all the numbers together, and all the variables

4(0.5n-3)-(n-2.5(-8n+12))=0

We multiply parentheses

0n-(n-2.5(-8n+12))-12=0



We calculate terms in parentheses: -(n-2.5(-8n+12)), so:

n-2.5(-8n+12)

We multiply parentheses

n+20n-30

We add all the numbers together, and all the variables

21n-30

Back to the equation:

-(21n-30)



We add all the numbers together, and all the variables

n-(21n-30)-12=0

We get rid of parentheses

n-21n+30-12=0

We add all the numbers together, and all the variables

-20n+18=0

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

-20n=-18

n=-18/-20

n=9/10

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