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x=1/2(x-4+2x-5)
We move all terms to the left:
x-(1/2(x-4+2x-5))=0
Domain of the equation: 2(x-4+2x-5))!=0We add all the numbers together, and all the variables
x∈R
x-(1/2(3x-9))=0
We multiply all the terms by the denominator
x*2(3x-9))-(1=0
Wy multiply elements
2x^2(3=0
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