207k views
4 votes
I need help pleaseeee !!

I need help pleaseeee !!-example-1

1 Answer

4 votes

Answer:

x < -16.714... or x > 2.428...

Explanation:

|0.7x + 5| > 6.7

=> 0.7x + 5 = -6.7 or 0.7x + 5 = 6.7

=> 0.7x = -6.7 - 5 or 0.7x = 6.7 - 5

=> x = -11.7/0.7 or x = 1.7/0.7

=> x = -16.714... or x = 2.428...

note: if |u| > a, a > 0 then u < -a or u > a

User Alex Alekser
by
6.8k points