Assistance Please with this inequality?

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Assistance Please with this inequality?

2(-2y - 5) < 2y - 22

2006-10-05 07:53:32 · 4 answers · asked by The Ultimate Answerer 3 in Science & Mathematics ➔ Mathematics

4 answers

-4y -10 < 2y - 22

22-10 < 2y+4y

12 < 6y

2 < y

2006-10-05 08:04:10 · answer #1 · answered by James L 5 · 0⤊ 0⤋

2(-2y - 5) < 2y - 22
-2y - 5 < y - 11
-3y < -6
y > 2

2006-10-05 19:41:16 · answer #2 · answered by Sherman81 6 · 0⤊ 0⤋

2(-2y-5)<2y-22

-4y-10<2y-22

-4y-10+10<2y-22+10

-4y<2y-12

-4y-2y<2y-2y-12

-6y<-12

y>2

When dividing by a negative you must flip the inequality sign.

2006-10-05 18:33:09 · answer #3 · answered by Melanie G 1 · 0⤊ 0⤋

2(-2y-5)<2y-22
or -4y-10<2y-22
subtract 2y-22 from both sides
we get
-4y-10-2y+22<0
-6y+12<0
-6y<-12
or 6y>12
hence y>2

2006-10-05 15:10:28 · answer #4 · answered by Amarbir Singh 2 · 0⤊ 0⤋