2n-20=30

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Solution for 2n-20=30 equation: 



2n-20=30

We move all terms to the left:

2n-20-(30)=0

We add all the numbers together, and all the variables

2n-50=0

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

2n=50

n=50/2

n=25

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