what is x. 4|2x-7|=4

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Rod · Answer 1 · 2016-02-26T09:08:14+0000

4|2x-7|=4, so |2x-7|=1; 2x-7=1, so 2x=8 and x=4; or 7-2x=1 and 2x=6, so x=3. Ans: x=3 or 4.