Respuesta :

Answer:

x = -4

Step-by-step explanation:

– 15 – 9x = 21

Add 15 to each side

– 15+15 – 9x = 21+15

-9x = 36

Divide by -9

-9x/-9 = 36/-9

x = -4

Answer:

Step-by-step explanation:

-15 - 9x = 21

-9x = 36

x = -4

answer is A

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