barbaraanderson363
barbaraanderson363 barbaraanderson363
  • 17-02-2022
  • Mathematics
contestada

what is the value of x in this proportion 2/7 = -5/x+3​

Respuesta :

tkaykay2005
tkaykay2005 tkaykay2005
  • 17-02-2022

Answer:

x = -20.5 or 20 1/2

Step-by-step explanation:

cross multiply.

[tex]\frac{2}{7} = \frac{-5}{x+3}[/tex]

subtract 6 on both sides.

⇒ [tex]2x + 6 = - 35[/tex]

divide -41 by 2.

⇒[tex]\frac{2x}{2} = \frac{-41}{2}[/tex]

answer ↓

⇒ [tex]x = -20.5[/tex]

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