1.

Solve: `|3x-7|gt4,x in R`

Answer» Correct Answer - `(-oo,1)uu((11)/(3),oo)`
`"Using" |x|gta rArr x lt -aorxgta`, we get
`|3x-7|gt4 rArr 3x -7lt-4or 3x-7gt4`
`rArr3xlt3 or 3xgt11 rArrxlt1orxgt(11)/(3)`
`rArrx in(-oo,1)uu((11)/(3),oo)`.


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