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a=1/2a(a+a)
We move all terms to the left:
a-(1/2a(a+a))=0
Domain of the equation: 2a(a+a))!=0We add all the numbers together, and all the variables
a∈R
a-(1/2a(+2a))=0
We multiply all the terms by the denominator
a*2a(+2a))-(1=0
Wy multiply elements
2a^2(+=0
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