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4.05=2.19y
We move all terms to the left:
4.05-(2.19y)=0
We add all the numbers together, and all the variables
-(+2.19y)+4.05=0
We get rid of parentheses
-2.19y+4.05=0
We move all terms containing y to the left, all other terms to the right
-2.19y=-4.05
y=-4.05/-2.19
y=1+1/1.1774193548387
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