3(7-x)=1

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Solution for 3(7-x)=1 equation: 



3(7-x)=1

We move all terms to the left:

3(7-x)-(1)=0

We add all the numbers together, and all the variables

3(-1x+7)-1=0

We multiply parentheses

-3x+21-1=0

We add all the numbers together, and all the variables

-3x+20=0

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

-3x=-20

x=-20/-3

x=6+2/3

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