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-20=2/y
We move all terms to the left:
-20-(2/y)=0
Domain of the equation: y)!=0We add all the numbers together, and all the variables
y!=0/1
y!=0
y∈R
-(+2/y)-20=0
We get rid of parentheses
-2/y-20=0
We multiply all the terms by the denominator
-20*y-2=0
We add all the numbers together, and all the variables
-20y-2=0
We move all terms containing y to the left, all other terms to the right
-20y=2
y=2/-20
y=-1/10
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