3(x-2)-1=20

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Solution for 3(x-2)-1=20 equation: 



3(x-2)-1=20

We move all terms to the left:

3(x-2)-1-(20)=0

We add all the numbers together, and all the variables

3(x-2)-21=0

We multiply parentheses

3x-6-21=0

We add all the numbers together, and all the variables

3x-27=0

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

3x=27

x=27/3

x=9

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