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I get pretty confused and I have a huge exam next week please help.
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I get pretty confused and I have a huge exam next week please help.

I get pretty confused and I have a huge exam next week please help.-example-1
User Champo
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From the angle bisector theorem, we know

(9)/(x)=(21)/(14)

\rightarrow9*14=21x

\rightarrow 21x=126

\rightarrow x=6
User Amada
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