Y-7=9-9(y+9)

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Solution for Y-7=9-9(y+9) equation: 



-7=9-9(Y+9)

We move all terms to the left:

-7-(9-9(Y+9))=0



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

9-9(Y+9)

determiningTheFunctionDomain
-9(Y+9)+9

We multiply parentheses

-9Y-81+9

We add all the numbers together, and all the variables

-9Y-72

Back to the equation:

-(-9Y-72)



We get rid of parentheses

9Y+72-7=0

We add all the numbers together, and all the variables

9Y+65=0

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

9Y=-65

Y=-65/9

Y=-7+2/9

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