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1+y/2=2.5
We move all terms to the left:
1+y/2-(2.5)=0
We add all the numbers together, and all the variables
y/2-1.5=0
We multiply all the terms by the denominator
y-(1.5)*2=0
We add all the numbers together, and all the variables
y-3=0
We move all terms containing y to the left, all other terms to the right
y=3
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