4n+5=9n-7

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Solution for 4n+5=9n-7 equation: 



4n+5=9n-7

We move all terms to the left:

4n+5-(9n-7)=0

We get rid of parentheses

4n-9n+7+5=0

We add all the numbers together, and all the variables

-5n+12=0

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

-5n=-12

n=-12/-5

n=2+2/5

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