Respuesta :

Answer:

-5

Step-by-step explanation:

-4a - 20  =   -4 • (a + 5)

Solve :    -4   =  0

Solve  :    a+5 = 0

a = -5

⋆✨ANSWERED BY KAKASHI ʕ•㉨•ʔ✨⋆

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