7+2n=9+-4n

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Solution for 7+2n=9+-4n equation: 



7+2n=9+-4n

We move all terms to the left:

7+2n-(9+-4n)=0

We add all the numbers together, and all the variables

2n-(-4n)+7=0

We get rid of parentheses

2n+4n+7=0

We add all the numbers together, and all the variables

6n+7=0

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

6n=-7

n=-7/6

n=-1+1/6

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