5n-9=3n+9

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



5n-9=3n+9

We move all terms to the left:

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

We get rid of parentheses

5n-3n-9-9=0

We add all the numbers together, and all the variables

2n-18=0

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

2n=18

n=18/2

n=9

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