Explanation:
Option C: x > -1 is the right answer.
Step-by-step explanation:
Given that:
-10 < x - 9 eq1
Adding 9 on both sides:
-10 + 9< x - 9 + 9
On left side:
Subtracting positive digit from negative one (greater) will give answer in negative. (-10+9 =-1)
On right side:
Negative 9 will be cancelled by positive 9 and simplified as follows:
-1 < x
OR
x > -1
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-10 < x - 9
Add 9 to both sides:
The correct answer would be option C
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- Ally ✧
x>19 represents ghe solution
|9 + x| > 19
9 + x > 19 ∨ 9 + x < -19
x > 10 ∨ x < -19
x ∈ (-∞ , -19) ∪ (10 , ∞)
It will provide an instant answer!