5n+4=9n+12

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Solution for 5n+4=9n+12 equation: 



5n+4=9n+12

We move all terms to the left:

5n+4-(9n+12)=0

We get rid of parentheses

5n-9n-12+4=0

We add all the numbers together, and all the variables

-4n-8=0

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

-4n=8

n=8/-4

n=-2

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