5n+7=9n+12

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Solution for 5n+7=9n+12 equation: 



5n+7=9n+12

We move all terms to the left:

5n+7-(9n+12)=0

We get rid of parentheses

5n-9n-12+7=0

We add all the numbers together, and all the variables

-4n-5=0

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

-4n=5

n=5/-4

n=-1+1/4

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