9n+3n=36

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Solution for 9n+3n=36 equation:



9n+3n=36
We move all terms to the left:
9n+3n-(36)=0
We add all the numbers together, and all the variables
12n-36=0
We move all terms containing n to the left, all other terms to the right
12n=36
n=36/12
n=3

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