3(7-y)-6(2)=-21

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Solution for 3(7-y)-6(2)=-21 equation: 



3(7-y)-6(2)=-21

We move all terms to the left:

3(7-y)-6(2)-(-21)=0

We add all the numbers together, and all the variables

3(-1y+7)-62-(-21)=0

We add all the numbers together, and all the variables

3(-1y+7)-41=0

We multiply parentheses

-3y+21-41=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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