Respuesta :

Answer: 10y

Step-by-step explanation: All variables equal one unless assigned a specific answer. So It is basically 9y+1

9y+1=10y

Final Answer: 10y

Hope this helps! :D

thgcooler
Answer: 10y
Explanation: 9y +1 = 10y because one y would equal 1 so 9y+y= 9y+1=10y
I think...hope this helps!!!