jetblackcap jetblackcap

25-04-2019
Mathematics

contestada

Please help me out!!!!!!

Please help me out class=

Respuesta :

JuliaN165 JuliaN165

25-04-2019

Answer:

Since we knew that the triangles are similar, we have:

19/38 = (x + 7)/(3x + 3)

=> 1/2 = (x + 7)/(3x + 3)

=> 3x + 3 = (x + 7) . 2

=> 3x + 3 = 2x + 14

=> 3x - 2x = 14 - 3

=> x = 11

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