3(n+5)-9(1n-2n)=69

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Solution for 3(n+5)-9(1n-2n)=69 equation: 



3(n+5)-9(1n-2n)=69

We move all terms to the left:

3(n+5)-9(1n-2n)-(69)=0

We add all the numbers together, and all the variables

3(n+5)-9(-1n)-69=0

We multiply parentheses

3n+9n+15-69=0

We add all the numbers together, and all the variables

12n-54=0

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

12n=54

n=54/12

n=4+1/2

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