Johnnie5300 Johnnie5300

19-11-2019
Mathematics

contestada

9 +x over 9 =7 over 3

Respuesta :

cinderofsoulsss cinderofsoulsss

19-11-2019

Answer:

x = 12

Step-by-step explanation:

[tex]\frac{9+x}{9}[/tex] = [tex]\frac{7}{3}[/tex]

multiply both sides by 9:

9 + x = 21

subtract 9:

x = 12

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