Respuesta :

Answer:

[tex]13ab[/tex]

Step-by-step explanation:

[tex]5ab + 9ab - ab[/tex]

According to addition and subtraction in PEMDAS, it is done from left to right.

[tex]5ab + 9ab = 14ab[/tex]

[tex]14ab - ab = 13ab[/tex]

meredith48034

Answer:

5ab + 9ab-ab= 14ab - ab= 13ab which is the second one