Respuesta :

Answer:

13x-4

Step-by-step explanation:

MO=7x-4

NO=6x

MO+NO=?

7x-4+6x=13x-4

Answer:

x - 4

Step-by-step explanation:

ON = -NO = -6x

OM = -MO = -7x + 4

MN = ON - OM

-6x - (-7x + 4)

-6x + 7x - 4

x - 4