blackflame201
blackflame201
13-01-2018
Mathematics
contestada
solve the inequality -17 < 3x + 4 ≤ 19
Respuesta :
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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