3n+5n-9=3n+6

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Solution for 3n+5n-9=3n+6 equation: 



3n+5n-9=3n+6

We move all terms to the left:

3n+5n-9-(3n+6)=0

We add all the numbers together, and all the variables

8n-(3n+6)-9=0

We get rid of parentheses

8n-3n-6-9=0

We add all the numbers together, and all the variables

5n-15=0

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

5n=15

n=15/5

n=3

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