5y-(3y+9)=12

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Solution for 5y-(3y+9)=12 equation: 



5y-(3y+9)=12

We move all terms to the left:

5y-(3y+9)-(12)=0

We get rid of parentheses

5y-3y-9-12=0

We add all the numbers together, and all the variables

2y-21=0

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

2y=21

y=21/2

y=10+1/2

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