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2.5=6.6+y
We move all terms to the left:
2.5-(6.6+y)=0
We add all the numbers together, and all the variables
-(y+6.6)+2.5=0
We get rid of parentheses
-y-6.6+2.5=0
We add all the numbers together, and all the variables
-1y-4.1=0
We move all terms containing y to the left, all other terms to the right
-y=4.1
y=4.1/-1
y=-4+0.1/1
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