Try 4.5?? dont you multiply both sides by the denominator?
<h2>Explanation:</h2>
Here we need to solve some expressions. Remember the following rules:

Then, from the left side:

from the right side:

His mistake is that he used the differences of 6, 10 and 14 instead of the differences of 7, 17 and 31.
i.e. for a linear function, the y values should have a constant rate of change and not the differences.
Answer:
-99, -90, 1/100, 10/100.
Step-by-step explanation: