4(y+9)=20

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



4(y+9)=20

We move all terms to the left:

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

We multiply parentheses

4y+36-20=0

We add all the numbers together, and all the variables

4y+16=0

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

4y=-16

y=-16/4

y=-4

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