trinity7265
16.06.2020 •
Mathematics
Which of the following is the solution set of -21xl <-8?
{x1-4>x>4]
{XIX<-4 or x 34)
{x1-4
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Ответ:
x>4 or x <-4
Step-by-step explanation:
-2|x| < -8
Divide each side by -2, remembering to flip the inequality
-2|x|/-2 > -8/-2
|x| >4
To get rid of the absolute values, we get 2 equations one positive and one negative
x>4 or x <-4
Ответ: