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01-12-2019
Mathematics

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sodiqolamilekan69 sodiqolamilekan69

01-12-2019

Answer:X=4

Step-by-step explanation:

Congruent triangles method

AB/DB=BC/EC

10-x+x/10-x=3+2/3

10/10-x=5/3

30=50-5x

30-50=-5x

-20=-5x

X=4

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