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olasank [31]
4 years ago
8

|3x|=9 what's the answer and the breakdown of this problem?

Mathematics
2 answers:
Nina [5.8K]4 years ago
8 0
  • |3x|=9 means that 3x=-9 or 3x=9 so x=3 and x=-3
andreev551 [17]4 years ago
4 0

|3x|=9\iff3x=9\ \vee\ 3x=-9\qquad\text{divide both sides by 3}\\\\x=3\ \vee\ x=-3

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<em>Additional comment</em>

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