198=-9(-10+n)

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Solution for 198=-9(-10+n) equation: 



198=-9(-10+n)

We move all terms to the left:

198-(-9(-10+n))=0

We add all the numbers together, and all the variables

-(-9(n-10))+198=0



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

-9(n-10)

We multiply parentheses

-9n+90

Back to the equation:

-(-9n+90)



We get rid of parentheses

9n-90+198=0

We add all the numbers together, and all the variables

9n+108=0

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

9n=-108

n=-108/9

n=-12

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