20-9n=-5(2n-6)

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Solution for 20-9n=-5(2n-6) equation: 



20-9n=-5(2n-6)

We move all terms to the left:

20-9n-(-5(2n-6))=0



We calculate terms in parentheses: -(-5(2n-6)), so:

-5(2n-6)

We multiply parentheses

-10n+30

Back to the equation:

-(-10n+30)



We get rid of parentheses

-9n+10n-30+20=0

We add all the numbers together, and all the variables

n-10=0

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

n=10

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