Respuesta :

yourinagenjitsulol

Answer:

(-ab+5a-4)-(4a-ab+9)

ad+5a-4

4a-ab+9

________

4a-5a-5

=4+5-5

=9-5

=4

Step-by-step explanation:

goselle
2ab + a + 13 is the answer i’m pretty sure

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