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-9.5+4.5(y+3)=20.5
We move all terms to the left:
-9.5+4.5(y+3)-(20.5)=0
We add all the numbers together, and all the variables
4.5(y+3)-30=0
We multiply parentheses
4.5y+13.5-30=0
We add all the numbers together, and all the variables
4.5y-16.5=0
We move all terms containing y to the left, all other terms to the right
4.5y=16.5
y=16.5/4.5
y=3+3/4.5
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