Respuesta :

Answer: Tessa is 13 years old

Step-by-step explanation: 1. Bree= 2x+3

2. Tessa= x

3. 2x+3=23

4. 2x=26

5.x=13

Tessa's Age is  13 Years old.

Answer:

10

Step-by-step explanation:

23-3/2

20/2

10