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-4(y+2)=9
We move all terms to the left:
-4(y+2)-(9)=0
We multiply parentheses
-4y-8-9=0
We add all the numbers together, and all the variables
-4y-17=0
We move all terms containing y to the left, all other terms to the right
-4y=17
y=17/-4
y=-4+1/4
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