8=9-2n

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Solution for 8=9-2n equation: 



8=9-2n

We move all terms to the left:

8-(9-2n)=0

We add all the numbers together, and all the variables

-(-2n+9)+8=0

We get rid of parentheses

2n-9+8=0

We add all the numbers together, and all the variables

2n-1=0

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

2n=1

n=1/2

n=1/2

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