1.

Solve `|2x + 4| ge 14`.

Answer» `2x + 4 ge 14 (or) 2x + 4 le -14`
`rArr 2x ge 14 - 4 (or) 2x le -14 - 4`
`rArr 2x ge 10 (or) 2x le -18`
`rArr x ge 5 (or) x le -9`
`therefore` Solution set `={x//x ge 5 or x le -9} (or) (-oo, -9) uu (5, oo)`


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