Hi ! I think I am doing the right thing here.
Given:
Solve for the solution set:
| 7x - 1 | - 6 < 2
My solution:
-1 < x < (9/7)
My sleepy instructor says the correct solution is
-1 < x < - (9/7)
I would just like to verify. Thank you !!!
Hi ! I think I am doing the right thing here.
Given:
Solve for the solution set:
| 7x - 1 | - 6 < 2
My solution:
-1 < x < (9/7)
My sleepy instructor says the correct solution is
-1 < x < - (9/7)
I would just like to verify. Thank you !!!
$\displaystyle \displaystyle |7x - 1| - 6 < 2$
$\displaystyle \displaystyle |7x - 1| < 8$
$\displaystyle \displaystyle -8 < 7x - 1 < 8$
$\displaystyle \displaystyle -7 < 7x < 9$
$\displaystyle \displaystyle -1 < x < \frac{9}{7}$.
Your answer is correct.