ariana151 ariana151
  • 23-08-2017
  • Mathematics
contestada

If |x| = 2 does X = 2 or x = -2? What is the solution to x = -2?

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choixongdong
choixongdong choixongdong
  • 23-08-2017
both solutions are x = 2 and x = -2 are correct

because
when x = 2 ,  |2| = 2
and 
when x = -2, |-2| = 2

hope it helps
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