5n-9-12n=-5(n+2)+3

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Solution for 5n-9-12n=-5(n+2)+3 equation: 



5n-9-12n=-5(n+2)+3

We move all terms to the left:

5n-9-12n-(-5(n+2)+3)=0

We add all the numbers together, and all the variables

-7n-(-5(n+2)+3)-9=0



We calculate terms in parentheses: -(-5(n+2)+3), so:

-5(n+2)+3

We multiply parentheses

-5n-10+3

We add all the numbers together, and all the variables

-5n-7

Back to the equation:

-(-5n-7)



We get rid of parentheses

-7n+5n+7-9=0

We add all the numbers together, and all the variables

-2n-2=0

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

-2n=2

n=2/-2

n=-1

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