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

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



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

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We multiply parentheses

3n+18n-45+3=0

We add all the numbers together, and all the variables

21n-42=0

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

21n=42

n=42/21

n=2

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