12(5-10n)=10(-9n-12)

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Solution for 12(5-10n)=10(-9n-12) equation: 



12(5-10n)=10(-9n-12)

We move all terms to the left:

12(5-10n)-(10(-9n-12))=0

We add all the numbers together, and all the variables

12(-10n+5)-(10(-9n-12))=0

We multiply parentheses

-120n-(10(-9n-12))+60=0



We calculate terms in parentheses: -(10(-9n-12)), so:

10(-9n-12)

We multiply parentheses

-90n-120

Back to the equation:

-(-90n-120)



We get rid of parentheses

-120n+90n+120+60=0

We add all the numbers together, and all the variables

-30n+180=0

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

-30n=-180

n=-180/-30

n=+6

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