Respuesta :

ADVENTUROUSBOY

-5

Step-by-step explanation:

3x + -4 = -19

3x -4 = -19

3x = -19 + 4

3x = -15

x = -5

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triggeredunicorn

Step-by-step explanation:

3x -4 = -19

3x = -19+4

3x = -15

x = -15/3

x = -5

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