2(x-3)+1=21

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Solution for 2(x-3)+1=21 equation: 



2(x-3)+1=21

We move all terms to the left:

2(x-3)+1-(21)=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-26=0

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

2x=26

x=26/2

x=13

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