10+9(2y+9)=(y+4)-15

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Solution for 10+9(2y+9)=(y+4)-15 equation: 



10+9(2y+9)=(y+4)-15

We move all terms to the left:

10+9(2y+9)-((y+4)-15)=0

We multiply parentheses

18y-((y+4)-15)+81+10=0



We calculate terms in parentheses: -((y+4)-15), so:

(y+4)-15

We get rid of parentheses

y+4-15

We add all the numbers together, and all the variables

y-11

Back to the equation:

-(y-11)



We add all the numbers together, and all the variables

18y-(y-11)+91=0

We get rid of parentheses

18y-y+11+91=0

We add all the numbers together, and all the variables

17y+102=0

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

17y=-102

y=-102/17

y=-6

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