Vault111
Vault111 Vault111
  • 24-03-2016
  • Mathematics
contestada

7x=5+5x. What is X? And thanks for advance.

Respuesta :

sbernal
sbernal sbernal
  • 24-03-2016
You move all the x's too one side 
7x-5x=5
the you subtract 5x from 7x 
7x-5x=2x
so now it is 
2x=5 
you need to get x alone so you divide x by 2 and you have to do it to both side so you divide 5 by 2 
x=5/2 
Answer Link
Exvited
Exvited Exvited
  • 24-03-2016
[tex]7x=5+5x \\ \\ 7x - 5x = 5 \\ \\ 2x = 5 \\ \\ x = \frac{5}{2} \\ \\ [/tex]

The final result is: x = 5/2 or x = 2.5.
Answer Link

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