Answer: (-∞,3)∪(18,∞)
Explanation:
To solve this problem you must apply the proccedure shown below:
1. You must solve for x, as following:
2. Therefore, you have that the result is:
(-∞,3]∪(18,∞)
The solution is
We group like terms, to obtain;
Simplify to get,
We further simplify to get;
This can also be rewritten as;
Or
This can be represented on the number line as shown in the diagram.
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