y-3=-2(X+6)

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Solution for y-3=-2(X+6) equation: 



y-3=-2(y+6)

We move all terms to the left:

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



We calculate terms in parentheses: -(-2(y+6)), so:

-2(y+6)

We multiply parentheses

-2y-12

Back to the equation:

-(-2y-12)



We get rid of parentheses

y+2y+12-3=0

We add all the numbers together, and all the variables

3y+9=0

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

3y=-9

y=-9/3

y=-3

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