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-2.1=y/2+1.1
We move all terms to the left:
-2.1-(y/2+1.1)=0
We get rid of parentheses
-y/2-1.1-2.1=0
We multiply all the terms by the denominator
-y-(1.1)*2-(2.1)*2=0
We add all the numbers together, and all the variables
-1y-6.4=0
We move all terms containing y to the left, all other terms to the right
-y=6.4
y=6.4/-1
y=-6+0.4/1
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