Question

How do you solve `abs(8x) > 20`?

Answer 1

The answer is `x>5/2 or x<-5/2`

`abs(8x)=8abs(x) => abs(8x)>20 <=> 8abs(x)>20 <=> abs(x)>5/2 <=> x>5/2 or x<-5/2`