9n-4+7=12

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Solution for 9n-4+7=12 equation:



9n-4+7=12
We move all terms to the left:
9n-4+7-(12)=0
We add all the numbers together, and all the variables
9n-9=0
We move all terms containing n to the left, all other terms to the right
9n=9
n=9/9
n=1

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