-7(5+4y)=20

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Solution for -7(5+4y)=20 equation: 



-7(5+4y)=20

We move all terms to the left:

-7(5+4y)-(20)=0

We add all the numbers together, and all the variables

-7(4y+5)-20=0

We multiply parentheses

-28y-35-20=0

We add all the numbers together, and all the variables

-28y-55=0

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

-28y=55

y=55/-28

y=-1+27/28

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