3(7-y)=1

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



3(7-y)=1

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We multiply parentheses

-3y+21-1=0

We add all the numbers together, and all the variables

-3y+20=0

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

-3y=-20

y=-20/-3

y=6+2/3

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