2(3+x)=20

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Solution for 2(3+x)=20 equation: 



2(3+x)=20

We move all terms to the left:

2(3+x)-(20)=0

We add all the numbers together, and all the variables

2(x+3)-20=0

We multiply parentheses

2x+6-20=0

We add all the numbers together, and all the variables

2x-14=0

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

2x=14

x=14/2

x=7

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