-5+7n-9n=-4n+9

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



-5+7n-9n=-4n+9

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We get rid of parentheses

-2n+4n-9-5=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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