1+3n=4n-9

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Solution for 1+3n=4n-9 equation: 



1+3n=4n-9

We move all terms to the left:

1+3n-(4n-9)=0

We get rid of parentheses

3n-4n+9+1=0

We add all the numbers together, and all the variables

-1n+10=0

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

-n=-10

n=-10/-1

n=+10

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