Respuesta :

wegnerkolmp2741o

Answer:

-6 < x < -3

Step-by-step explanation:

21 < -3( x – 4) < 30

Divide all sides by -3, remembering to flip the inequalities

21/-3  > -3/-3( x – 4) > 30/-3

-7 > x-4 > -10

Add 4 to all sides

-7+4 > x-4+4 > -10+4

-3 > x > -6

Rewrite

-6 < x < -3

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