-n+9=4n-1

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Solution for -n+9=4n-1 equation: 



-n+9=4n-1

We move all terms to the left:

-n+9-(4n-1)=0

We add all the numbers together, and all the variables

-1n-(4n-1)+9=0

We get rid of parentheses

-1n-4n+1+9=0

We add all the numbers together, and all the variables

-5n+10=0

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

-5n=-10

n=-10/-5

n=+2

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