| x | + | x - 5 | = 7

Asked by riezkasafitri@ymail.com on 11 Sep 05:19

Last updated by anonymous on 28 Nov 16:08

Answered by Rod1944 on 28 Nov 16:08

Start with x>5: 2x-5=7, x=6;

Now, 0<x<5: x+5-x=7; no solution because 5 not equal to 7;

x<0: -x+5-x=7, -2=2x, x=-1.

Two solutions: x=-1 or x=6.