9+(-2n)=4

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Solution for 9+(-2n)=4 equation: 



9+(-2n)=4

We move all terms to the left:

9+(-2n)-(4)=0

We add all the numbers together, and all the variables

(-2n)+5=0

We get rid of parentheses

-2n+5=0

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

-2n=-5

n=-5/-2

n=2+1/2

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