Respuesta :

Answer:

5. m=7

6. x=5

Step-by-step explanation:

Answer:

m = 7     ||       x < 5

Step-by-step explanation:

1)

m + 5 = 12

m = 12 - 5

m = 7

2)

x + 4 < 9

x < 9 - 4

x < 5