Answer:
15
Step-by-step explanation:
Let's call the mystery number x.

Hope this helps!
Your answer is going to be X=-6
The systems will intersect at (1,-4), and i think the system has infinite solutions (not sure)
Answer: 1,904.92308 if you round it that will be 1904.9 or 1904.92
I used a calculator
Answer:
By flipping the second fraction (finding its reciprocal) we change the equation mathematically. In order to maintain the equation mathematically, we must turn the division question into a multiplication question.
Step-by-step explanation: