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The "Inter-Quartile Range" is 9
Answer:
The system has infinite solutions
Step-by-step explanation:
For a system of two linear equations it is always true that if one equation is a linear combination of another, then the system will have infinite solutions.
Suppose we have the following system:

If there is a number n for which it is fulfilled that

Then the system has infinite solutions.
In this case the system is:

Observe that:

Then 
The system has infinite solutions
Answer:
the answer is easy
Step-by-step explanation:
Answer: The most important aspect in doing algebra is having a pen/pencil and paper in hand. It'll give you a better understanding of the question being posed.