beatriz233
beatriz233 beatriz233
  • 02-12-2018
  • Mathematics
contestada

Can you help me on this.

Can you help me on this class=

Respuesta :

wegnerkolmp2741o
wegnerkolmp2741o wegnerkolmp2741o
  • 02-12-2018

Answer:

x=3

Step-by-step explanation:

6                   10

---------- = ------------

6+x             15


using cross products

6 * 15  = 10 * (6+x)

90 = 60+10x

subtract 60 from each side

90-60 = 60+10x-60

30 = 10x

divide by 10

30/10 = 10x/10

3=x


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