Question 468132
22) x/3+4>0<=>x/3>-4 <=> x>-12.

23)-2x<6 <=> x>-3.

24){{{abs(x-1)<4}}} is equivalent to two inequalities: -4<x-1<4 <=> -3<x<5.

25){{{abs(2x+5)>7}}} is equivalent to two inequalities:1)2x+5<-7 <=> x<-6, and

2)2x+5>7 <=> x>1.

26){{{abs(3-x)=20}}} is equivalent to two equations: 3-x=20 <=> x=-17, and

3-x=-20 <=> x=23.