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

-10n-520=0

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

-10n=520

n=520/-10

n=-52

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