7n-3=4n-9

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



7n-3=4n-9

We move all terms to the left:

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

We get rid of parentheses

7n-4n+9-3=0

We add all the numbers together, and all the variables

3n+6=0

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

3n=-6

n=-6/3

n=-2

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