Respuesta :

xshkefx1
-6-4(4-1)
-6-4(3)
-6-12
-18 is the answer.

Answer:

a=-4.5

Step-by-step explanation:

a(4)=-6-4(4-1)

a(4)=-6-4(3)

a(4)=-6-12

a(4)=-18

a=-18/4

a=-4.5

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