9y+1=9(y-1)-5y

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Solution for 9y+1=9(y-1)-5y equation: 



9y+1=9(y-1)-5y

We move all terms to the left:

9y+1-(9(y-1)-5y)=0



We calculate terms in parentheses: -(9(y-1)-5y), so:

9(y-1)-5y

We add all the numbers together, and all the variables

-5y+9(y-1)

We multiply parentheses

-5y+9y-9

We add all the numbers together, and all the variables

4y-9

Back to the equation:

-(4y-9)



We get rid of parentheses

9y-4y+9+1=0

We add all the numbers together, and all the variables

5y+10=0

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

5y=-10

y=-10/5

y=-2

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