tori022175
tori022175 tori022175
  • 12-03-2021
  • Mathematics
contestada

A B C ~ A D E: find x

A B C A D E find x class=

Respuesta :

senalvidun
senalvidun senalvidun
  • 14-03-2021

Answer:

[tex] \frac{20}{28} = \frac{15}{2x + 3} \\ 20(2x + 3) = 15 \times 28 \\ 40x + 60 = 420 \\ 40x = 420 - 60\\ 40x = 360 \\ x = 9[/tex]

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