-99=-3(5-2n)+6n

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Solution for -99=-3(5-2n)+6n equation:



-99=-3(5-2n)+6n
We move all terms to the left:
-99-(-3(5-2n)+6n)=0
We add all the numbers together, and all the variables
-(-3(-2n+5)+6n)-99=0
We calculate terms in parentheses: -(-3(-2n+5)+6n), so:
-3(-2n+5)+6n
We add all the numbers together, and all the variables
6n-3(-2n+5)
We multiply parentheses
6n+6n-15
We add all the numbers together, and all the variables
12n-15
Back to the equation:
-(12n-15)
We get rid of parentheses
-12n+15-99=0
We add all the numbers together, and all the variables
-12n-84=0
We move all terms containing n to the left, all other terms to the right
-12n=84
n=84/-12
n=-7

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