5n+9=-1+7n

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Solution for 5n+9=-1+7n equation: 



5n+9=-1+7n

We move all terms to the left:

5n+9-(-1+7n)=0

We add all the numbers together, and all the variables

5n-(7n-1)+9=0

We get rid of parentheses

5n-7n+1+9=0

We add all the numbers together, and all the variables

-2n+10=0

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

-2n=-10

n=-10/-2

n=+5

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