Answer: Our required equation would be 
Step-by-step explanation:
Since we have given that
Amount that Anderson earns per hour = $6
According to question, Anderson earns $1 more than half of Carey's hourly rate.
Let the hourly rate of Carey be 'c'.
So, it becomes,

And the value of c would be

Hence, our required equation would be 
There is no single solution but there is a group of solutions also known as the interval.

This can be written with an interval.

Hope this helps.
r3t40