Respuesta :
Since you earn nine dollars per hour, nine is two more an a number x.
So, we have the equation 9=2+x.
Solving for x, we get that x is equal to 7. Therefore, you earned 7 dollars per hour last year.
Answer: 7
Step-by-step explanation: 9 - 2 = 7
Hope I helped please give brainliest!