3y+8+4=(y+9)

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Solution for 3y+8+4=(y+9) equation: 



3y+8+4=(y+9)

We move all terms to the left:

3y+8+4-((y+9))=0

We add all the numbers together, and all the variables

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



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

(y+9)

We get rid of parentheses

y+9

Back to the equation:

-(y+9)



We get rid of parentheses

3y-y-9+12=0

We add all the numbers together, and all the variables

2y+3=0

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

2y=-3

y=-3/2

y=-1+1/2

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