2(s+7)=20

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Solution for 2(s+7)=20 equation: 



2(s+7)=20

We move all terms to the left:

2(s+7)-(20)=0

We multiply parentheses

2s+14-20=0

We add all the numbers together, and all the variables

2s-6=0

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

2s=6

s=6/2

s=3

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