1+2n=8+9n

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Solution for 1+2n=8+9n equation: 



1+2n=8+9n

We move all terms to the left:

1+2n-(8+9n)=0

We add all the numbers together, and all the variables

2n-(9n+8)+1=0

We get rid of parentheses

2n-9n-8+1=0

We add all the numbers together, and all the variables

-7n-7=0

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

-7n=7

n=7/-7

n=-1

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