2(w+1)=20

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Solution for 2(w+1)=20 equation: 



2(w+1)=20

We move all terms to the left:

2(w+1)-(20)=0

We multiply parentheses

2w+2-20=0

We add all the numbers together, and all the variables

2w-18=0

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

2w=18

w=18/2

w=9

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