|2x-4| = 5-1=4 =>. [. 2 x −4=−4. 2 x −4=4. ⇒[. x =0. x =4. d) 3 .|3-2x| - 1 = 2/5 => 3. |3-2x| = 7/5 => |3-2x| = 7/5: 3 =7/15 => ... x 2008 +1502 + x 2009 +32009 = x 2010 +11005 + x 2011 +12011. ⇒ x 2008 + x 2009 ... 735 :( x −13 )=225 ⇒ x −13 =15 :225 ⇒ x =110 −13 =1330. c,. |2 x ... b) N=|2-x|-3|x+1| với x < -1.