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1/2(4y+12)-1/4(8y-12)=9
We move all terms to the left:
1/2(4y+12)-1/4(8y-12)-(9)=0
Domain of the equation: 2(4y+12)!=0
y∈R
Domain of the equation: 4(8y-12)!=0We calculate fractions
y∈R
(4y8/(2(4y+12)*4(8y-12))+(-2y4/(2(4y+12)*4(8y-12))-9=0
We can not solve this equation
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