juniorwashere12
juniorwashere12 juniorwashere12
  • 23-04-2020
  • Mathematics
contestada

help me solve this proportional
equation
[tex] \frac{9 + x}{9} = \frac{7}{3} [/tex]
​

Respuesta :

bloggermary
bloggermary bloggermary
  • 23-04-2020
Cross multiplication, 3(9+x) = 63
27+3x = 63
3x = 63-27 = 36
x=36/3=12
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