-3+9=-3(2y+4)

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Solution for -3+9=-3(2y+4) equation: 



-3+9=-3(2y+4)

We move all terms to the left:

-3+9-(-3(2y+4))=0

We add all the numbers together, and all the variables

-(-3(2y+4))+6=0



We calculate terms in parentheses: -(-3(2y+4)), so:

-3(2y+4)

We multiply parentheses

-6y-12

Back to the equation:

-(-6y-12)



We get rid of parentheses

6y+12+6=0

We add all the numbers together, and all the variables

6y+18=0

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

6y=-18

y=-18/6

y=-3

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