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Mathematics 7 Online
OpenStudy (poetryprincess):

I give medal and fan, pleeeease help!!

OpenStudy (poetryprincess):

jimthompson5910 (jim_thompson5910):

Since the triangles are congruent, using CPCTC, we can say AC = DF 21x-19 = 3x+17

OpenStudy (poetryprincess):

Ok

OpenStudy (poetryprincess):

Why A?

OpenStudy (poetryprincess):

@MrKillerOG

OpenStudy (anonymous):

21x-19=3x+17 21*2-19=23 3*2+17=23

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