-2n+9=1

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Solution for -2n+9=1 equation: 



-2n+9=1

We move all terms to the left:

-2n+9-(1)=0

We add all the numbers together, and all the variables

-2n+8=0

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

-2n=-8

n=-8/-2

n=+4

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