anonymous
  • anonymous
What are the solutions to the equation I3x-15I =0?
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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anonymous
  • anonymous
@zepdrix
Vocaloid
  • Vocaloid
3x - 15 = 0 solve for x
anonymous
  • anonymous
x=5?

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More answers

Vocaloid
  • Vocaloid
yup
anonymous
  • anonymous
or x=15?
Vocaloid
  • Vocaloid
why would it be 15? x = 5
abb0t
  • abb0t
There are two solutions.
anonymous
  • anonymous
5 and 15 right?
anonymous
  • anonymous
@abb0t
Vocaloid
  • Vocaloid
try plugging in x = 15 back into the original equation and see if it still works...
Vocaloid
  • Vocaloid
does 3(15)-15 equal 0?
anonymous
  • anonymous
No.
Vocaloid
  • Vocaloid
so, is x = 15 a solution?
anonymous
  • anonymous
no.
Vocaloid
  • Vocaloid
good, so our answer is x = 5 we can also graph as further proof http://www.wolframalpha.com/input/?i=abs%283x-15%29+%3D+0

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