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-30.5=4y-4.5y
We move all terms to the left:
-30.5-(4y-4.5y)=0
We add all the numbers together, and all the variables
-(-0.5y)-30.5=0
We get rid of parentheses
0.5y-30.5=0
We move all terms containing y to the left, all other terms to the right
0.5y=30.5
y=30.5/0.5
y=61
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