2(n+10)=30

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Solution for 2(n+10)=30 equation: 



2(n+10)=30

We move all terms to the left:

2(n+10)-(30)=0

We multiply parentheses

2n+20-30=0

We add all the numbers together, and all the variables

2n-10=0

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

2n=10

n=10/2

n=5

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