Evaluate the equation |13x|=|2x+1|.
This equation is satisfied either if 13x and 2x+1 are equal to each other or if 13x and 2x+1 are negatives of each other
13x=2x+1or13x=−(2x+1)13−2x=1or13x+2x=−111x=1or15x=−1x=111orx=−115
The solution set is {−115,111}.
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