3n+20=56

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Solution for 3n+20=56 equation: 



3n+20=56

We move all terms to the left:

3n+20-(56)=0

We add all the numbers together, and all the variables

3n-36=0

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

3n=36

n=36/3

n=12

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