2(n+4)=40

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Solution for 2(n+4)=40 equation: 



2(n+4)=40

We move all terms to the left:

2(n+4)-(40)=0

We multiply parentheses

2n+8-40=0

We add all the numbers together, and all the variables

2n-32=0

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

2n=32

n=32/2

n=16

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