blackflame201 blackflame201
  • 13-01-2018
  • Mathematics
contestada

solve the inequality -17 < 3x + 4 ≤ 19

Respuesta :

altavistard
altavistard altavistard
  • 13-01-2018
Subtract 4 from -17, from 3x+4, and from 19:

-21 < 3x < 15

Divide all terms by 3:

-7 < x < 5       (solution)
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