Raymond B. answered • 09/11/20
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Math, microeconomics or criminal justice
DF = DE + EF = 15-3x + x+3 = 18-2x
EF = DF/2 = (18-2x)/2 = 9-x
EF = 9-x
Hi H.
asked • 09/11/20Find EF if E is the MIDPOINT of DF, DE = 15-3x and EF = x+3
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