Solve:
\Vert-4+8|-2|-|a|>0
Let's solve the inequality step-by-step:
First, simplify ∣−2∣.
- ∣−2∣=2, because the absolute value of a number is its distance from zero without considering the sign.
Now focus on the expression ∣−4+8∣.
- −4+8=4, so ∣−4+8∣=∣4∣=4.
Substitute these values back into the inequality:
- The inequality becomes ∣4−2∣−∣a∣>0.
Simplify further:
- 4−2=2, so ∣2−∣a∣∣>0.
Now we solve ∣2−∣a∣∣>0:
- This inequality implies that 2−∣a∣=0, meaning ∣a∣=2.
- Additionally, ∣2−∣a∣∣>0 implies 2−∣a∣>0 or −1(2−∣a∣)>0, simplifying to ∣a∣<2.
Since ∣a∣<2 implies that −2<a<2, solve for a:
−2<a<2
Thus, the solution set is:
2>a>−2