-4(5+y)=20

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



-4(5+y)=20

We move all terms to the left:

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

We add all the numbers together, and all the variables

-4(y+5)-20=0

We multiply parentheses

-4y-20-20=0

We add all the numbers together, and all the variables

-4y-40=0

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

-4y=40

y=40/-4

y=-10

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