2.n-10=20

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Solution for 2.n-10=20 equation: 



2.n-10=20

We move all terms to the left:

2.n-10-(20)=0

We add all the numbers together, and all the variables

2.n-30=0

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

2.n=30

n=30/2.

n=15

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