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5/2(r-2)+2r-4=9
We move all terms to the left:
5/2(r-2)+2r-4-(9)=0
Domain of the equation: 2(r-2)!=0We add all the numbers together, and all the variables
r∈R
2r+5/2(r-2)-13=0
We multiply all the terms by the denominator
2r*2(r-2)-13*2(r-2)+5=0
Wy multiply elements
4r^2(r-26r(r+5=0
We do not support erpression: r^2(r
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