Y=-3(x+6)-4(3x-9)

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Solution for Y=-3(x+6)-4(3x-9) equation: 



=-3(Y+6)-4(3Y-9)

We move all terms to the left:

-(-3(Y+6)-4(3Y-9))=0



We calculate terms in parentheses: -(-3(Y+6)-4(3Y-9)), so:

-3(Y+6)-4(3Y-9)

We multiply parentheses

-3Y-12Y-18+36

We add all the numbers together, and all the variables

-15Y+18

Back to the equation:

-(-15Y+18)



We get rid of parentheses

15Y-18=0

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

15Y=18

Y=18/15

Y=1+1/5

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