If I have |3x-9|=|3-3x| I do not see how the solution can be = 2 I would think the solution would be = {2,6} Can someone explain if I am correct or if the given solution was correct, and why? Thanks
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Originally Posted by leoslick If I have |3x-9|=|3-3x| I do not see how the solution can be = 2 I would think the solution would be = {2,6} Can someone explain if I am correct or if the given solution was correct, and why? Thanks square both sides ...
Because absolute value turns any negative value into its opposite positive value. With , it would give : With , it would give : , so is not a solution.
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