21-6n=3(-2n+3)+6

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Solution for 21-6n=3(-2n+3)+6 equation: 



21-6n=3(-2n+3)+6

We move all terms to the left:

21-6n-(3(-2n+3)+6)=0



We calculate terms in parentheses: -(3(-2n+3)+6), so:

3(-2n+3)+6

We multiply parentheses

-6n+9+6

We add all the numbers together, and all the variables

-6n+15

Back to the equation:

-(-6n+15)



We get rid of parentheses

-6n+6n-15+21=0

We add all the numbers together, and all the variables

6!=0

There is no solution for this equation

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