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0.5+7y=20
We move all terms to the left:
0.5+7y-(20)=0
We add all the numbers together, and all the variables
7y-19.5=0
We move all terms containing y to the left, all other terms to the right
7y=19.5
y=19.5/7
y=2+3.6666666666667/4.6666666666667
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