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9x=1/2(12x-30)
We move all terms to the left:
9x-(1/2(12x-30))=0
Domain of the equation: 2(12x-30))!=0We multiply all the terms by the denominator
x∈R
9x*2(12x-30))-(1=0
Wy multiply elements
18x^2(1=0
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