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-31.5+16y=15
We move all terms to the left:
-31.5+16y-(15)=0
We add all the numbers together, and all the variables
16y-46.5=0
We move all terms containing y to the left, all other terms to the right
16y=46.5
y=46.5/16
y=2+5.8/6.4
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