-4y-20=-9(y+5)

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Solution for -4y-20=-9(y+5) equation: 



-4y-20=-9(y+5)

We move all terms to the left:

-4y-20-(-9(y+5))=0



We calculate terms in parentheses: -(-9(y+5)), so:

-9(y+5)

We multiply parentheses

-9y-45

Back to the equation:

-(-9y-45)



We get rid of parentheses

-4y+9y+45-20=0

We add all the numbers together, and all the variables

5y+25=0

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

5y=-25

y=-25/5

y=-5

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