-2(5y+10)=20

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Solution for -2(5y+10)=20 equation: 



-2(5y+10)=20

We move all terms to the left:

-2(5y+10)-(20)=0

We multiply parentheses

-10y-20-20=0

We add all the numbers together, and all the variables

-10y-40=0

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

-10y=40

y=40/-10

y=-4

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