Respuesta :

-7
The answer is -7

..

Answer:

x = -7

Step-by-step explanation:

3x + 5 = -16

    -5      -5

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3x = -21

/3     /3

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x = -7

Check your answer:

3x + 5 = -16

3(-7) + 5 = -16

-21 + 5 = -16

-16 = -16 CORRECT

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