brittneyhart6537 brittneyhart6537
  • 02-01-2019
  • Mathematics
contestada

Consider the equation |1/4+12|=x/2.Without calculating, how do you know x=-16 is an extraneous solution?

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offguard
offguard offguard
  • 02-01-2019

Without calculating, you can immediately see the absolute value sign, which implies that the final result (x) should be positive, not negative.  

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