4n+5n-12=9(n-2)

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Solution for 4n+5n-12=9(n-2) equation: 



4n+5n-12=9(n-2)

We move all terms to the left:

4n+5n-12-(9(n-2))=0

We add all the numbers together, and all the variables

9n-(9(n-2))-12=0



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

9(n-2)

We multiply parentheses

9n-18

Back to the equation:

-(9n-18)



We get rid of parentheses

9n-9n+18-12=0

We add all the numbers together, and all the variables

6!=0

There is no solution for this equation

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