Respuesta :

Answer:

6

Step-by-step explanation:

6+4+3=13

7+6=13

Answer:

6

Step-by-step explanation:

6 + 4 is 10 and then you add 3 so you have 13. So, 7 + what equals 13? 13 - 7 is 6 so the answer is 6. Please mark me brainliest and I hope this helped!