blackflame201 blackflame201

13-01-2018
Mathematics

contestada

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

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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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