glassninja glassninja

04-04-2017
Mathematics

contestada

What is the solution set for the given inequality if the replacement set for r is {5, 6, 7, 8, 9, 10}? 5r ≤ 6r – 8

Respuesta :

04-04-2017

5r < = 6r - 8
subtract 6r from both sides
-r < = -8
divide both sides by -1, when you divide by a negative switch the inequality sign
r > = 8
Solution Set { 8, 9, 10}

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