9n+8=4n-9

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Solution for 9n+8=4n-9 equation: 



9n+8=4n-9

We move all terms to the left:

9n+8-(4n-9)=0

We get rid of parentheses

9n-4n+9+8=0

We add all the numbers together, and all the variables

5n+17=0

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

5n=-17

n=-17/5

n=-3+2/5

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