Respuesta :

bigbananaboyyyyyy

23 and 11

23-11=12

and

23+11=34

ablack27

Answer:

Sum: 23 + 11 = 34

Difference: 23 - 11 = 12

Step-by-step explanation:

x + y = 34

x - y = 12

x - y = 12

x = 12 + y

x + y = 34

12 + y + y = 34

12 + 2y = 34

2y = 22

y = 11

x + y = 34

x + 11 = 34

X = 23