4y-(8y+4)=9-(12y-8)

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Solution for 4y-(8y+4)=9-(12y-8) equation: 



4y-(8y+4)=9-(12y-8)

We move all terms to the left:

4y-(8y+4)-(9-(12y-8))=0

We get rid of parentheses

4y-8y-(9-(12y-8))-4=0



We calculate terms in parentheses: -(9-(12y-8)), so:

9-(12y-8)

determiningTheFunctionDomain
-(12y-8)+9

We get rid of parentheses

-12y+8+9

We add all the numbers together, and all the variables

-12y+17

Back to the equation:

-(-12y+17)



We add all the numbers together, and all the variables

-4y-(-12y+17)-4=0

We get rid of parentheses

-4y+12y-17-4=0

We add all the numbers together, and all the variables

8y-21=0

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

8y=21

y=21/8

y=2+5/8

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