Give+an+example+whose+solution+is+a+betweenness.Set3

 |x + 7| < 10

x+7<10 X+7>-10

X -17

Q: ⎮8+10x⎮+4<25 ⎮8+10x⎮<21 8+10x<21 8+10x>-21 10x<13 10x>-29 x<1.3 and x>-2.9