-10=10(2n+9)

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Solution for -10=10(2n+9) equation: 



-10=10(2n+9)

We move all terms to the left:

-10-(10(2n+9))=0



We calculate terms in parentheses: -(10(2n+9)), so:

10(2n+9)

We multiply parentheses

20n+90

Back to the equation:

-(20n+90)



We get rid of parentheses

-20n-90-10=0

We add all the numbers together, and all the variables

-20n-100=0

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

-20n=100

n=100/-20

n=-5

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