Question Number 18366 by ketto last updated on 19/Jul/17
Answered by Tinkutara last updated on 19/Jul/17
$$−\mathrm{4}\:<\:\mathrm{5}\:−\:\mathrm{3}{x}\:\leqslant\:\mathrm{17} \\ $$$$−\mathrm{9}\:<\:−\mathrm{3}{x}\:\leqslant\:\mathrm{12} \\ $$$$−\mathrm{12}\:\leqslant\:\mathrm{3}{x}\:<\:\mathrm{9} \\ $$$$−\mathrm{4}\:\leqslant\:{x}\:<\:\mathrm{3} \\ $$$${x}\:\in\:\left[−\mathrm{4},\:\mathrm{3}\right) \\ $$