2n+9=4n-5

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Solution for 2n+9=4n-5 equation: 



2n+9=4n-5

We move all terms to the left:

2n+9-(4n-5)=0

We get rid of parentheses

2n-4n+5+9=0

We add all the numbers together, and all the variables

-2n+14=0

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

-2n=-14

n=-14/-2

n=+7

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