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-1/2(4a-8)=-2a+4
We move all terms to the left:
-1/2(4a-8)-(-2a+4)=0
Domain of the equation: 2(4a-8)!=0We get rid of parentheses
a∈R
-1/2(4a-8)+2a-4=0
We multiply all the terms by the denominator
2a*2(4a-8)-4*2(4a-8)-1=0
Wy multiply elements
4a^2(4-8a(4-1=0
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