ashcashbuhbash
ashcashbuhbash ashcashbuhbash
  • 12-09-2016
  • Mathematics
contestada

Without calculating, how do you know that the equation | 4x-7 | = -1 has no solution ?

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NinjamasterX
NinjamasterX NinjamasterX
  • 13-09-2016
Hello

By just looking at the question, you should know that if there an absolute value symbol (which are those two straight lines surrounding that equation), the answer will always be positive.
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