20n+30n=520

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Solution for 20n+30n=520 equation: 



20n+30n=520

We move all terms to the left:

20n+30n-(520)=0

We add all the numbers together, and all the variables

50n-520=0

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

50n=520

n=520/50

n=10+2/5

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