7n+3=9n-4n-7

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Solution for 7n+3=9n-4n-7 equation: 



7n+3=9n-4n-7

We move all terms to the left:

7n+3-(9n-4n-7)=0

We add all the numbers together, and all the variables

7n-(5n-7)+3=0

We get rid of parentheses

7n-5n+7+3=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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