4y-1=3(-7-y)

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Solution for 4y-1=3(-7-y) equation: 



4y-1=3(-7-y)

We move all terms to the left:

4y-1-(3(-7-y))=0

We add all the numbers together, and all the variables

4y-(3(-1y-7))-1=0



We calculate terms in parentheses: -(3(-1y-7)), so:

3(-1y-7)

We multiply parentheses

-3y-21

Back to the equation:

-(-3y-21)



We get rid of parentheses

4y+3y+21-1=0

We add all the numbers together, and all the variables

7y+20=0

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

7y=-20

y=-20/7

y=-2+6/7

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